Home / 58,129.38-80,242.65-39,292.02

Finding the Fourth Proportional to 58,129.38, 80,242.65 and 39,292.02

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Solution

The fourth proportional to 58,129.38, 80,242.65 and 39,292.02 is: 54,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,129.38 : 80,242.65 = 39,292.02 : x
  2. Step 2: Convert to fraction form
    58,129.38/80,242.65 = 39,292.02/x
  3. Step 3: Cross multiply
    58,129.38x = 80,242.65 × 39,292.02
  4. Step 4: Simplify right side
    58,129.38x = 3,152,895,808.65
  5. Step 5: Solve for x
    x = 3,152,895,808.65/58,129.38
  6. Step 6: Final answer
    x = 54,239.28

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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.