Home / 35,741.14-49,325-20,636.56

Finding the Fourth Proportional to 35,741.14, 49,325 and 20,636.56

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Solution

The fourth proportional to 35,741.14, 49,325 and 20,636.56 is: 28,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,741.14 : 49,325 = 20,636.56 : x
  2. Step 2: Convert to fraction form
    35,741.14/49,325 = 20,636.56/x
  3. Step 3: Cross multiply
    35,741.14x = 49,325 × 20,636.56
  4. Step 4: Simplify right side
    35,741.14x = 1,017,898,322.00
  5. Step 5: Solve for x
    x = 1,017,898,322.00/35,741.14
  6. Step 6: Final answer
    x = 28,479.74

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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.