Home / 73,038.13-100,792.62-39,504.13

Finding the Fourth Proportional to 73,038.13, 100,792.62 and 39,504.13

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Solution

The fourth proportional to 73,038.13, 100,792.62 and 39,504.13 is: 54,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038.13 : 100,792.62 = 39,504.13 : x
  2. Step 2: Convert to fraction form
    73,038.13/100,792.62 = 39,504.13/x
  3. Step 3: Cross multiply
    73,038.13x = 100,792.62 × 39,504.13
  4. Step 4: Simplify right side
    73,038.13x = 3,981,724,763.52
  5. Step 5: Solve for x
    x = 3,981,724,763.52/73,038.13
  6. Step 6: Final answer
    x = 54,515.70

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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.