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Finding the Fourth Proportional to 32,303.97, 48,437.28 and 12,559.43

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Solution

The fourth proportional to 32,303.97, 48,437.28 and 12,559.43 is: 18,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,303.97 : 48,437.28 = 12,559.43 : x
  2. Step 2: Convert to fraction form
    32,303.97/48,437.28 = 12,559.43/x
  3. Step 3: Cross multiply
    32,303.97x = 48,437.28 × 12,559.43
  4. Step 4: Simplify right side
    32,303.97x = 608,344,385.36
  5. Step 5: Solve for x
    x = 608,344,385.36/32,303.97
  6. Step 6: Final answer
    x = 18,831.88

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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.