Home / 42,603.60-63,905.40-17,640.24

Finding the Fourth Proportional to 42,603.60, 63,905.40 and 17,640.24

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Solution

The fourth proportional to 42,603.60, 63,905.40 and 17,640.24 is: 26,460.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,603.60 : 63,905.40 = 17,640.24 : x
  2. Step 2: Convert to fraction form
    42,603.60/63,905.40 = 17,640.24/x
  3. Step 3: Cross multiply
    42,603.60x = 63,905.40 × 17,640.24
  4. Step 4: Simplify right side
    42,603.60x = 1,127,306,593.30
  5. Step 5: Solve for x
    x = 1,127,306,593.30/42,603.60
  6. Step 6: Final answer
    x = 26,460.36

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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.