Home / 42,374.32-63,582-17,432.80

Finding the Fourth Proportional to 42,374.32, 63,582 and 17,432.80

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Solution

The fourth proportional to 42,374.32, 63,582 and 17,432.80 is: 26,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,374.32 : 63,582 = 17,432.80 : x
  2. Step 2: Convert to fraction form
    42,374.32/63,582 = 17,432.80/x
  3. Step 3: Cross multiply
    42,374.32x = 63,582 × 17,432.80
  4. Step 4: Simplify right side
    42,374.32x = 1,108,412,289.60
  5. Step 5: Solve for x
    x = 1,108,412,289.60/42,374.32
  6. Step 6: Final answer
    x = 26,157.64

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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.