Home / 42,153.98-63,229.80-17,193.92

Finding the Fourth Proportional to 42,153.98, 63,229.80 and 17,193.92

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Solution

The fourth proportional to 42,153.98, 63,229.80 and 17,193.92 is: 25,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,153.98 : 63,229.80 = 17,193.92 : x
  2. Step 2: Convert to fraction form
    42,153.98/63,229.80 = 17,193.92/x
  3. Step 3: Cross multiply
    42,153.98x = 63,229.80 × 17,193.92
  4. Step 4: Simplify right side
    42,153.98x = 1,087,168,122.82
  5. Step 5: Solve for x
    x = 1,087,168,122.82/42,153.98
  6. Step 6: Final answer
    x = 25,790.40

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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.