Home / 48,331.53-72,468.18-21,672.69

Finding the Fourth Proportional to 48,331.53, 72,468.18 and 21,672.69

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Solution

The fourth proportional to 48,331.53, 72,468.18 and 21,672.69 is: 32,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,331.53 : 72,468.18 = 21,672.69 : x
  2. Step 2: Convert to fraction form
    48,331.53/72,468.18 = 21,672.69/x
  3. Step 3: Cross multiply
    48,331.53x = 72,468.18 × 21,672.69
  4. Step 4: Simplify right side
    48,331.53x = 1,570,580,400.00
  5. Step 5: Solve for x
    x = 1,570,580,400.00/48,331.53
  6. Step 6: Final answer
    x = 32,495.98

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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.