Home / 32,400.28-48,603.05-9,915.89

Finding the Fourth Proportional to 32,400.28, 48,603.05 and 9,915.89

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Solution

The fourth proportional to 32,400.28, 48,603.05 and 9,915.89 is: 14,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,400.28 : 48,603.05 = 9,915.89 : x
  2. Step 2: Convert to fraction form
    32,400.28/48,603.05 = 9,915.89/x
  3. Step 3: Cross multiply
    32,400.28x = 48,603.05 × 9,915.89
  4. Step 4: Simplify right side
    32,400.28x = 481,942,643.76
  5. Step 5: Solve for x
    x = 481,942,643.76/32,400.28
  6. Step 6: Final answer
    x = 14,874.65

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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.