Home / 58,545.28-80,792.70-31,688.14

Finding the Fourth Proportional to 58,545.28, 80,792.70 and 31,688.14

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Solution

The fourth proportional to 58,545.28, 80,792.70 and 31,688.14 is: 43,729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,545.28 : 80,792.70 = 31,688.14 : x
  2. Step 2: Convert to fraction form
    58,545.28/80,792.70 = 31,688.14/x
  3. Step 3: Cross multiply
    58,545.28x = 80,792.70 × 31,688.14
  4. Step 4: Simplify right side
    58,545.28x = 2,560,170,388.58
  5. Step 5: Solve for x
    x = 2,560,170,388.58/58,545.28
  6. Step 6: Final answer
    x = 43,729.75

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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.