Home / 42,072.66-63,141.63-15,801.30

Finding the Fourth Proportional to 42,072.66, 63,141.63 and 15,801.30

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Solution

The fourth proportional to 42,072.66, 63,141.63 and 15,801.30 is: 23,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,072.66 : 63,141.63 = 15,801.30 : x
  2. Step 2: Convert to fraction form
    42,072.66/63,141.63 = 15,801.30/x
  3. Step 3: Cross multiply
    42,072.66x = 63,141.63 × 15,801.30
  4. Step 4: Simplify right side
    42,072.66x = 997,719,838.12
  5. Step 5: Solve for x
    x = 997,719,838.12/42,072.66
  6. Step 6: Final answer
    x = 23,714.21

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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.