Home / 58,320.57-80,440.92-38,929.70

Finding the Fourth Proportional to 58,320.57, 80,440.92 and 38,929.70

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Solution

The fourth proportional to 58,320.57, 80,440.92 and 38,929.70 is: 53,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,320.57 : 80,440.92 = 38,929.70 : x
  2. Step 2: Convert to fraction form
    58,320.57/80,440.92 = 38,929.70/x
  3. Step 3: Cross multiply
    58,320.57x = 80,440.92 × 38,929.70
  4. Step 4: Simplify right side
    58,320.57x = 3,131,540,883.32
  5. Step 5: Solve for x
    x = 3,131,540,883.32/58,320.57
  6. Step 6: Final answer
    x = 53,695.31

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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.