Home / 42,620.18-63,916.22-14,150.57

Finding the Fourth Proportional to 42,620.18, 63,916.22 and 14,150.57

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Solution

The fourth proportional to 42,620.18, 63,916.22 and 14,150.57 is: 21,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,620.18 : 63,916.22 = 14,150.57 : x
  2. Step 2: Convert to fraction form
    42,620.18/63,916.22 = 14,150.57/x
  3. Step 3: Cross multiply
    42,620.18x = 63,916.22 × 14,150.57
  4. Step 4: Simplify right side
    42,620.18x = 904,450,661.04
  5. Step 5: Solve for x
    x = 904,450,661.04/42,620.18
  6. Step 6: Final answer
    x = 21,221.19

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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.