Home / 39,690.12-59,505.57-17,176.98

Finding the Fourth Proportional to 39,690.12, 59,505.57 and 17,176.98

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Solution

The fourth proportional to 39,690.12, 59,505.57 and 17,176.98 is: 25,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.12 : 59,505.57 = 17,176.98 : x
  2. Step 2: Convert to fraction form
    39,690.12/59,505.57 = 17,176.98/x
  3. Step 3: Cross multiply
    39,690.12x = 59,505.57 × 17,176.98
  4. Step 4: Simplify right side
    39,690.12x = 1,022,125,985.78
  5. Step 5: Solve for x
    x = 1,022,125,985.78/39,690.12
  6. Step 6: Final answer
    x = 25,752.66

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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.