Home / 48,332.40-72,470.35-18,348.63

Finding the Fourth Proportional to 48,332.40, 72,470.35 and 18,348.63

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Solution

The fourth proportional to 48,332.40, 72,470.35 and 18,348.63 is: 27,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,332.40 : 72,470.35 = 18,348.63 : x
  2. Step 2: Convert to fraction form
    48,332.40/72,470.35 = 18,348.63/x
  3. Step 3: Cross multiply
    48,332.40x = 72,470.35 × 18,348.63
  4. Step 4: Simplify right side
    48,332.40x = 1,329,731,286.08
  5. Step 5: Solve for x
    x = 1,329,731,286.08/48,332.40
  6. Step 6: Final answer
    x = 27,512.22

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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.