Home / 38,999.87-58,510.17-12,346.37

Finding the Fourth Proportional to 38,999.87, 58,510.17 and 12,346.37

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Solution

The fourth proportional to 38,999.87, 58,510.17 and 12,346.37 is: 18,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,999.87 : 58,510.17 = 12,346.37 : x
  2. Step 2: Convert to fraction form
    38,999.87/58,510.17 = 12,346.37/x
  3. Step 3: Cross multiply
    38,999.87x = 58,510.17 × 12,346.37
  4. Step 4: Simplify right side
    38,999.87x = 722,387,915.03
  5. Step 5: Solve for x
    x = 722,387,915.03/38,999.87
  6. Step 6: Final answer
    x = 18,522.83

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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.