Home / 55,013.92-82,605.12-48,495.04

Finding the Fourth Proportional to 55,013.92, 82,605.12 and 48,495.04

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Solution

The fourth proportional to 55,013.92, 82,605.12 and 48,495.04 is: 72,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013.92 : 82,605.12 = 48,495.04 : x
  2. Step 2: Convert to fraction form
    55,013.92/82,605.12 = 48,495.04/x
  3. Step 3: Cross multiply
    55,013.92x = 82,605.12 × 48,495.04
  4. Step 4: Simplify right side
    55,013.92x = 4,005,938,598.60
  5. Step 5: Solve for x
    x = 4,005,938,598.60/55,013.92
  6. Step 6: Final answer
    x = 72,816.82

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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.