Home / 60,744.29-91,126.76-20,761.07

Finding the Fourth Proportional to 60,744.29, 91,126.76 and 20,761.07

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Solution

The fourth proportional to 60,744.29, 91,126.76 and 20,761.07 is: 31,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,744.29 : 91,126.76 = 20,761.07 : x
  2. Step 2: Convert to fraction form
    60,744.29/91,126.76 = 20,761.07/x
  3. Step 3: Cross multiply
    60,744.29x = 91,126.76 × 20,761.07
  4. Step 4: Simplify right side
    60,744.29x = 1,891,888,483.79
  5. Step 5: Solve for x
    x = 1,891,888,483.79/60,744.29
  6. Step 6: Final answer
    x = 31,145.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.