Home / 48,353.60-72,612.19-31,515.21

Finding the Fourth Proportional to 48,353.60, 72,612.19 and 31,515.21

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Solution

The fourth proportional to 48,353.60, 72,612.19 and 31,515.21 is: 47,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,353.60 : 72,612.19 = 31,515.21 : x
  2. Step 2: Convert to fraction form
    48,353.60/72,612.19 = 31,515.21/x
  3. Step 3: Cross multiply
    48,353.60x = 72,612.19 × 31,515.21
  4. Step 4: Simplify right side
    48,353.60x = 2,288,388,416.41
  5. Step 5: Solve for x
    x = 2,288,388,416.41/48,353.60
  6. Step 6: Final answer
    x = 47,326.12

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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.