Home / 35,730.28-49,309.38-19,813.66

Finding the Fourth Proportional to 35,730.28, 49,309.38 and 19,813.66

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Solution

The fourth proportional to 35,730.28, 49,309.38 and 19,813.66 is: 27,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.28 : 49,309.38 = 19,813.66 : x
  2. Step 2: Convert to fraction form
    35,730.28/49,309.38 = 19,813.66/x
  3. Step 3: Cross multiply
    35,730.28x = 49,309.38 × 19,813.66
  4. Step 4: Simplify right side
    35,730.28x = 976,999,290.13
  5. Step 5: Solve for x
    x = 976,999,290.13/35,730.28
  6. Step 6: Final answer
    x = 27,343.73

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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.