Home / 32,630.28-48,962.16-15,990

Finding the Fourth Proportional to 32,630.28, 48,962.16 and 15,990

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Solution

The fourth proportional to 32,630.28, 48,962.16 and 15,990 is: 23,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,630.28 : 48,962.16 = 15,990 : x
  2. Step 2: Convert to fraction form
    32,630.28/48,962.16 = 15,990/x
  3. Step 3: Cross multiply
    32,630.28x = 48,962.16 × 15,990
  4. Step 4: Simplify right side
    32,630.28x = 782,904,938.40
  5. Step 5: Solve for x
    x = 782,904,938.40/32,630.28
  6. Step 6: Final answer
    x = 23,993.20

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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.