Home / 42,291.36-63,445.68-17,331.84

Finding the Fourth Proportional to 42,291.36, 63,445.68 and 17,331.84

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Solution

The fourth proportional to 42,291.36, 63,445.68 and 17,331.84 is: 26,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.36 : 63,445.68 = 17,331.84 : x
  2. Step 2: Convert to fraction form
    42,291.36/63,445.68 = 17,331.84/x
  3. Step 3: Cross multiply
    42,291.36x = 63,445.68 × 17,331.84
  4. Step 4: Simplify right side
    42,291.36x = 1,099,630,374.45
  5. Step 5: Solve for x
    x = 1,099,630,374.45/42,291.36
  6. Step 6: Final answer
    x = 26,001.30

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1.5x scale

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.