Home / 42,131.38-63,175.90-14,041.60

Finding the Fourth Proportional to 42,131.38, 63,175.90 and 14,041.60

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Solution

The fourth proportional to 42,131.38, 63,175.90 and 14,041.60 is: 21,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,131.38 : 63,175.90 = 14,041.60 : x
  2. Step 2: Convert to fraction form
    42,131.38/63,175.90 = 14,041.60/x
  3. Step 3: Cross multiply
    42,131.38x = 63,175.90 × 14,041.60
  4. Step 4: Simplify right side
    42,131.38x = 887,090,717.44
  5. Step 5: Solve for x
    x = 887,090,717.44/42,131.38
  6. Step 6: Final answer
    x = 21,055.34

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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.