Home / 42,671.40-64,007.10-27,100.20

Finding the Fourth Proportional to 42,671.40, 64,007.10 and 27,100.20

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Solution

The fourth proportional to 42,671.40, 64,007.10 and 27,100.20 is: 40,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,671.40 : 64,007.10 = 27,100.20 : x
  2. Step 2: Convert to fraction form
    42,671.40/64,007.10 = 27,100.20/x
  3. Step 3: Cross multiply
    42,671.40x = 64,007.10 × 27,100.20
  4. Step 4: Simplify right side
    42,671.40x = 1,734,605,211.42
  5. Step 5: Solve for x
    x = 1,734,605,211.42/42,671.40
  6. Step 6: Final answer
    x = 40,650.30

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Similar ratio
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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.