Home / 42,735.18-64,103.56-14,687.44

Finding the Fourth Proportional to 42,735.18, 64,103.56 and 14,687.44

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Solution

The fourth proportional to 42,735.18, 64,103.56 and 14,687.44 is: 22,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,735.18 : 64,103.56 = 14,687.44 : x
  2. Step 2: Convert to fraction form
    42,735.18/64,103.56 = 14,687.44/x
  3. Step 3: Cross multiply
    42,735.18x = 64,103.56 × 14,687.44
  4. Step 4: Simplify right side
    42,735.18x = 941,517,191.29
  5. Step 5: Solve for x
    x = 941,517,191.29/42,735.18
  6. Step 6: Final answer
    x = 22,031.43

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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.