Home / 48,932.46-73,411.02-13,872.15

Finding the Fourth Proportional to 48,932.46, 73,411.02 and 13,872.15

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Solution

The fourth proportional to 48,932.46, 73,411.02 and 13,872.15 is: 20,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,932.46 : 73,411.02 = 13,872.15 : x
  2. Step 2: Convert to fraction form
    48,932.46/73,411.02 = 13,872.15/x
  3. Step 3: Cross multiply
    48,932.46x = 73,411.02 × 13,872.15
  4. Step 4: Simplify right side
    48,932.46x = 1,018,368,681.09
  5. Step 5: Solve for x
    x = 1,018,368,681.09/48,932.46
  6. Step 6: Final answer
    x = 20,811.72

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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.