Home / 48,931.20-73,396.80-36,538.20

Finding the Fourth Proportional to 48,931.20, 73,396.80 and 36,538.20

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Solution

The fourth proportional to 48,931.20, 73,396.80 and 36,538.20 is: 54,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.20 : 73,396.80 = 36,538.20 : x
  2. Step 2: Convert to fraction form
    48,931.20/73,396.80 = 36,538.20/x
  3. Step 3: Cross multiply
    48,931.20x = 73,396.80 × 36,538.20
  4. Step 4: Simplify right side
    48,931.20x = 2,681,786,957.76
  5. Step 5: Solve for x
    x = 2,681,786,957.76/48,931.20
  6. Step 6: Final answer
    x = 54,807.30

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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.