Home / 48,370.10-72,542.18-13,311.68

Finding the Fourth Proportional to 48,370.10, 72,542.18 and 13,311.68

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Solution

The fourth proportional to 48,370.10, 72,542.18 and 13,311.68 is: 19,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,370.10 : 72,542.18 = 13,311.68 : x
  2. Step 2: Convert to fraction form
    48,370.10/72,542.18 = 13,311.68/x
  3. Step 3: Cross multiply
    48,370.10x = 72,542.18 × 13,311.68
  4. Step 4: Simplify right side
    48,370.10x = 965,657,957.23
  5. Step 5: Solve for x
    x = 965,657,957.23/48,370.10
  6. Step 6: Final answer
    x = 19,963.95

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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.