Home / 42,577.30-63,905.37-21,532.24

Finding the Fourth Proportional to 42,577.30, 63,905.37 and 21,532.24

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Solution

The fourth proportional to 42,577.30, 63,905.37 and 21,532.24 is: 32,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,577.30 : 63,905.37 = 21,532.24 : x
  2. Step 2: Convert to fraction form
    42,577.30/63,905.37 = 21,532.24/x
  3. Step 3: Cross multiply
    42,577.30x = 63,905.37 × 21,532.24
  4. Step 4: Simplify right side
    42,577.30x = 1,376,025,764.13
  5. Step 5: Solve for x
    x = 1,376,025,764.13/42,577.30
  6. Step 6: Final answer
    x = 32,318.30

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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.