Home / 42,470.60-63,726.66-30,070.31

Finding the Fourth Proportional to 42,470.60, 63,726.66 and 30,070.31

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Solution

The fourth proportional to 42,470.60, 63,726.66 and 30,070.31 is: 45,120.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,470.60 : 63,726.66 = 30,070.31 : x
  2. Step 2: Convert to fraction form
    42,470.60/63,726.66 = 30,070.31/x
  3. Step 3: Cross multiply
    42,470.60x = 63,726.66 × 30,070.31
  4. Step 4: Simplify right side
    42,470.60x = 1,916,280,102.83
  5. Step 5: Solve for x
    x = 1,916,280,102.83/42,470.60
  6. Step 6: Final answer
    x = 45,120.16

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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.