Home / 48,470.40-72,705.47-15,190.61

Finding the Fourth Proportional to 48,470.40, 72,705.47 and 15,190.61

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Solution

The fourth proportional to 48,470.40, 72,705.47 and 15,190.61 is: 22,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,470.40 : 72,705.47 = 15,190.61 : x
  2. Step 2: Convert to fraction form
    48,470.40/72,705.47 = 15,190.61/x
  3. Step 3: Cross multiply
    48,470.40x = 72,705.47 × 15,190.61
  4. Step 4: Simplify right side
    48,470.40x = 1,104,440,000.16
  5. Step 5: Solve for x
    x = 1,104,440,000.16/48,470.40
  6. Step 6: Final answer
    x = 22,785.87

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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.