Home / 42,418.40-63,627.60-32,607.20

Finding the Fourth Proportional to 42,418.40, 63,627.60 and 32,607.20

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Solution

The fourth proportional to 42,418.40, 63,627.60 and 32,607.20 is: 48,910.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418.40 : 63,627.60 = 32,607.20 : x
  2. Step 2: Convert to fraction form
    42,418.40/63,627.60 = 32,607.20/x
  3. Step 3: Cross multiply
    42,418.40x = 63,627.60 × 32,607.20
  4. Step 4: Simplify right side
    42,418.40x = 2,074,717,878.72
  5. Step 5: Solve for x
    x = 2,074,717,878.72/42,418.40
  6. Step 6: Final answer
    x = 48,910.80

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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.