Home / 48,029.15-72,034.01-12,960.61

Finding the Fourth Proportional to 48,029.15, 72,034.01 and 12,960.61

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Solution

The fourth proportional to 48,029.15, 72,034.01 and 12,960.61 is: 19,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,029.15 : 72,034.01 = 12,960.61 : x
  2. Step 2: Convert to fraction form
    48,029.15/72,034.01 = 12,960.61/x
  3. Step 3: Cross multiply
    48,029.15x = 72,034.01 × 12,960.61
  4. Step 4: Simplify right side
    48,029.15x = 933,604,514.06
  5. Step 5: Solve for x
    x = 933,604,514.06/48,029.15
  6. Step 6: Final answer
    x = 19,438.29

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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.