Home / 42,750.64-64,127.27-14,670.30

Finding the Fourth Proportional to 42,750.64, 64,127.27 and 14,670.30

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Solution

The fourth proportional to 42,750.64, 64,127.27 and 14,670.30 is: 22,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,750.64 : 64,127.27 = 14,670.30 : x
  2. Step 2: Convert to fraction form
    42,750.64/64,127.27 = 14,670.30/x
  3. Step 3: Cross multiply
    42,750.64x = 64,127.27 × 14,670.30
  4. Step 4: Simplify right side
    42,750.64x = 940,766,215.73
  5. Step 5: Solve for x
    x = 940,766,215.73/42,750.64
  6. Step 6: Final answer
    x = 22,005.90

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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.