Home / 48,487.92-66,952.08-31,500.60

Finding the Fourth Proportional to 48,487.92, 66,952.08 and 31,500.60

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Solution

The fourth proportional to 48,487.92, 66,952.08 and 31,500.60 is: 43,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,487.92 : 66,952.08 = 31,500.60 : x
  2. Step 2: Convert to fraction form
    48,487.92/66,952.08 = 31,500.60/x
  3. Step 3: Cross multiply
    48,487.92x = 66,952.08 × 31,500.60
  4. Step 4: Simplify right side
    48,487.92x = 2,109,030,691.25
  5. Step 5: Solve for x
    x = 2,109,030,691.25/48,487.92
  6. Step 6: Final answer
    x = 43,496.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.