Home / 42,248.40-63,372.60-21,512.40

Finding the Fourth Proportional to 42,248.40, 63,372.60 and 21,512.40

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Solution

The fourth proportional to 42,248.40, 63,372.60 and 21,512.40 is: 32,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,248.40 : 63,372.60 = 21,512.40 : x
  2. Step 2: Convert to fraction form
    42,248.40/63,372.60 = 21,512.40/x
  3. Step 3: Cross multiply
    42,248.40x = 63,372.60 × 21,512.40
  4. Step 4: Simplify right side
    42,248.40x = 1,363,296,720.24
  5. Step 5: Solve for x
    x = 1,363,296,720.24/42,248.40
  6. Step 6: Final answer
    x = 32,268.60

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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.