Home / 42,233.40-63,362.79-12,652.20

Finding the Fourth Proportional to 42,233.40, 63,362.79 and 12,652.20

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Solution

The fourth proportional to 42,233.40, 63,362.79 and 12,652.20 is: 18,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,233.40 : 63,362.79 = 12,652.20 : x
  2. Step 2: Convert to fraction form
    42,233.40/63,362.79 = 12,652.20/x
  3. Step 3: Cross multiply
    42,233.40x = 63,362.79 × 12,652.20
  4. Step 4: Simplify right side
    42,233.40x = 801,678,691.64
  5. Step 5: Solve for x
    x = 801,678,691.64/42,233.40
  6. Step 6: Final answer
    x = 18,982.10

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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.