Home / 48,286.30-72,429.45-40,923.40

Finding the Fourth Proportional to 48,286.30, 72,429.45 and 40,923.40

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Solution

The fourth proportional to 48,286.30, 72,429.45 and 40,923.40 is: 61,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,286.30 : 72,429.45 = 40,923.40 : x
  2. Step 2: Convert to fraction form
    48,286.30/72,429.45 = 40,923.40/x
  3. Step 3: Cross multiply
    48,286.30x = 72,429.45 × 40,923.40
  4. Step 4: Simplify right side
    48,286.30x = 2,964,059,354.13
  5. Step 5: Solve for x
    x = 2,964,059,354.13/48,286.30
  6. Step 6: Final answer
    x = 61,385.10

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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.