Home / 48,339.15-72,494.70-20,258.47

Finding the Fourth Proportional to 48,339.15, 72,494.70 and 20,258.47

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Solution

The fourth proportional to 48,339.15, 72,494.70 and 20,258.47 is: 30,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,339.15 : 72,494.70 = 20,258.47 : x
  2. Step 2: Convert to fraction form
    48,339.15/72,494.70 = 20,258.47/x
  3. Step 3: Cross multiply
    48,339.15x = 72,494.70 × 20,258.47
  4. Step 4: Simplify right side
    48,339.15x = 1,468,631,705.11
  5. Step 5: Solve for x
    x = 1,468,631,705.11/48,339.15
  6. Step 6: Final answer
    x = 30,381.83

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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.