Home / 42,966.72-64,497.18-34,138.80

Finding the Fourth Proportional to 42,966.72, 64,497.18 and 34,138.80

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Solution

The fourth proportional to 42,966.72, 64,497.18 and 34,138.80 is: 51,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,966.72 : 64,497.18 = 34,138.80 : x
  2. Step 2: Convert to fraction form
    42,966.72/64,497.18 = 34,138.80/x
  3. Step 3: Cross multiply
    42,966.72x = 64,497.18 × 34,138.80
  4. Step 4: Simplify right side
    42,966.72x = 2,201,856,328.58
  5. Step 5: Solve for x
    x = 2,201,856,328.58/42,966.72
  6. Step 6: Final answer
    x = 51,245.62

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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.