Home / 35,790.42-49,387.17-20,895.06

Finding the Fourth Proportional to 35,790.42, 49,387.17 and 20,895.06

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Solution

The fourth proportional to 35,790.42, 49,387.17 and 20,895.06 is: 28,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,790.42 : 49,387.17 = 20,895.06 : x
  2. Step 2: Convert to fraction form
    35,790.42/49,387.17 = 20,895.06/x
  3. Step 3: Cross multiply
    35,790.42x = 49,387.17 × 20,895.06
  4. Step 4: Simplify right side
    35,790.42x = 1,031,947,880.38
  5. Step 5: Solve for x
    x = 1,031,947,880.38/35,790.42
  6. Step 6: Final answer
    x = 28,833.08

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Half scale
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Double scale
Find fourth proportional to 35,791.42, 49,388.55 and 20,896.06
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.