Home / 60,534.10-90,815.70-18,981.10

Finding the Fourth Proportional to 60,534.10, 90,815.70 and 18,981.10

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Solution

The fourth proportional to 60,534.10, 90,815.70 and 18,981.10 is: 28,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,534.10 : 90,815.70 = 18,981.10 : x
  2. Step 2: Convert to fraction form
    60,534.10/90,815.70 = 18,981.10/x
  3. Step 3: Cross multiply
    60,534.10x = 90,815.70 × 18,981.10
  4. Step 4: Simplify right side
    60,534.10x = 1,723,781,883.27
  5. Step 5: Solve for x
    x = 1,723,781,883.27/60,534.10
  6. Step 6: Final answer
    x = 28,476.21

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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.