Home / 42,175.26-63,280.46-18,499.81

Finding the Fourth Proportional to 42,175.26, 63,280.46 and 18,499.81

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Solution

The fourth proportional to 42,175.26, 63,280.46 and 18,499.81 is: 27,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,175.26 : 63,280.46 = 18,499.81 : x
  2. Step 2: Convert to fraction form
    42,175.26/63,280.46 = 18,499.81/x
  3. Step 3: Cross multiply
    42,175.26x = 63,280.46 × 18,499.81
  4. Step 4: Simplify right side
    42,175.26x = 1,170,676,486.71
  5. Step 5: Solve for x
    x = 1,170,676,486.71/42,175.26
  6. Step 6: Final answer
    x = 27,757.42

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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.