Home / 48,270.24-72,382.64-18,701.92

Finding the Fourth Proportional to 48,270.24, 72,382.64 and 18,701.92

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Solution

The fourth proportional to 48,270.24, 72,382.64 and 18,701.92 is: 28,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,270.24 : 72,382.64 = 18,701.92 : x
  2. Step 2: Convert to fraction form
    48,270.24/72,382.64 = 18,701.92/x
  3. Step 3: Cross multiply
    48,270.24x = 72,382.64 × 18,701.92
  4. Step 4: Simplify right side
    48,270.24x = 1,353,694,342.67
  5. Step 5: Solve for x
    x = 1,353,694,342.67/48,270.24
  6. Step 6: Final answer
    x = 28,044.08

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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.