Home / 42,455.20-63,672.24-17,488.48

Finding the Fourth Proportional to 42,455.20, 63,672.24 and 17,488.48

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Solution

The fourth proportional to 42,455.20, 63,672.24 and 17,488.48 is: 26,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,455.20 : 63,672.24 = 17,488.48 : x
  2. Step 2: Convert to fraction form
    42,455.20/63,672.24 = 17,488.48/x
  3. Step 3: Cross multiply
    42,455.20x = 63,672.24 × 17,488.48
  4. Step 4: Simplify right side
    42,455.20x = 1,113,530,695.80
  5. Step 5: Solve for x
    x = 1,113,530,695.80/42,455.20
  6. Step 6: Final answer
    x = 26,228.37

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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.