Home / 42,475.50-63,720.94-17,501.66

Finding the Fourth Proportional to 42,475.50, 63,720.94 and 17,501.66

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Solution

The fourth proportional to 42,475.50, 63,720.94 and 17,501.66 is: 26,255.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,475.50 : 63,720.94 = 17,501.66 : x
  2. Step 2: Convert to fraction form
    42,475.50/63,720.94 = 17,501.66/x
  3. Step 3: Cross multiply
    42,475.50x = 63,720.94 × 17,501.66
  4. Step 4: Simplify right side
    42,475.50x = 1,115,222,139.25
  5. Step 5: Solve for x
    x = 1,115,222,139.25/42,475.50
  6. Step 6: Final answer
    x = 26,255.66

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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.