Home / 42,414.40-63,621.60-32,603.20

Finding the Fourth Proportional to 42,414.40, 63,621.60 and 32,603.20

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Solution

The fourth proportional to 42,414.40, 63,621.60 and 32,603.20 is: 48,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.40 : 63,621.60 = 32,603.20 : x
  2. Step 2: Convert to fraction form
    42,414.40/63,621.60 = 32,603.20/x
  3. Step 3: Cross multiply
    42,414.40x = 63,621.60 × 32,603.20
  4. Step 4: Simplify right side
    42,414.40x = 2,074,267,749.12
  5. Step 5: Solve for x
    x = 2,074,267,749.12/42,414.40
  6. Step 6: Final answer
    x = 48,904.80

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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.