Home / 48,366.80-72,550.20-13,306.40

Finding the Fourth Proportional to 48,366.80, 72,550.20 and 13,306.40

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Solution

The fourth proportional to 48,366.80, 72,550.20 and 13,306.40 is: 19,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,366.80 : 72,550.20 = 13,306.40 : x
  2. Step 2: Convert to fraction form
    48,366.80/72,550.20 = 13,306.40/x
  3. Step 3: Cross multiply
    48,366.80x = 72,550.20 × 13,306.40
  4. Step 4: Simplify right side
    48,366.80x = 965,381,981.28
  5. Step 5: Solve for x
    x = 965,381,981.28/48,366.80
  6. Step 6: Final answer
    x = 19,959.60

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1.5x scale

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.