Home / 42,649.01-63,959.65-14,178.32

Finding the Fourth Proportional to 42,649.01, 63,959.65 and 14,178.32

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Solution

The fourth proportional to 42,649.01, 63,959.65 and 14,178.32 is: 21,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,649.01 : 63,959.65 = 14,178.32 : x
  2. Step 2: Convert to fraction form
    42,649.01/63,959.65 = 14,178.32/x
  3. Step 3: Cross multiply
    42,649.01x = 63,959.65 × 14,178.32
  4. Step 4: Simplify right side
    42,649.01x = 906,840,029.54
  5. Step 5: Solve for x
    x = 906,840,029.54/42,649.01
  6. Step 6: Final answer
    x = 21,262.86

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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.