Home / 40,874.31-61,225.29-18,706.32

Finding the Fourth Proportional to 40,874.31, 61,225.29 and 18,706.32

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Solution

The fourth proportional to 40,874.31, 61,225.29 and 18,706.32 is: 28,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.31 : 61,225.29 = 18,706.32 : x
  2. Step 2: Convert to fraction form
    40,874.31/61,225.29 = 18,706.32/x
  3. Step 3: Cross multiply
    40,874.31x = 61,225.29 × 18,706.32
  4. Step 4: Simplify right side
    40,874.31x = 1,145,299,866.83
  5. Step 5: Solve for x
    x = 1,145,299,866.83/40,874.31
  6. Step 6: Final answer
    x = 28,020.04

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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.