Home / 42,137.64-63,224.91-19,966.86

Finding the Fourth Proportional to 42,137.64, 63,224.91 and 19,966.86

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Solution

The fourth proportional to 42,137.64, 63,224.91 and 19,966.86 is: 29,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,137.64 : 63,224.91 = 19,966.86 : x
  2. Step 2: Convert to fraction form
    42,137.64/63,224.91 = 19,966.86/x
  3. Step 3: Cross multiply
    42,137.64x = 63,224.91 × 19,966.86
  4. Step 4: Simplify right side
    42,137.64x = 1,262,402,926.48
  5. Step 5: Solve for x
    x = 1,262,402,926.48/42,137.64
  6. Step 6: Final answer
    x = 29,959.03

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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.