Home / 58,121.19-87,170.28-15,990.39

Finding the Fourth Proportional to 58,121.19, 87,170.28 and 15,990.39

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Solution

The fourth proportional to 58,121.19, 87,170.28 and 15,990.39 is: 23,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,121.19 : 87,170.28 = 15,990.39 : x
  2. Step 2: Convert to fraction form
    58,121.19/87,170.28 = 15,990.39/x
  3. Step 3: Cross multiply
    58,121.19x = 87,170.28 × 15,990.39
  4. Step 4: Simplify right side
    58,121.19x = 1,393,886,773.61
  5. Step 5: Solve for x
    x = 1,393,886,773.61/58,121.19
  6. Step 6: Final answer
    x = 23,982.42

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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.