Home / 48,981.19-67,573.91-31,979.55

Finding the Fourth Proportional to 48,981.19, 67,573.91 and 31,979.55

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Solution

The fourth proportional to 48,981.19, 67,573.91 and 31,979.55 is: 44,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,981.19 : 67,573.91 = 31,979.55 : x
  2. Step 2: Convert to fraction form
    48,981.19/67,573.91 = 31,979.55/x
  3. Step 3: Cross multiply
    48,981.19x = 67,573.91 × 31,979.55
  4. Step 4: Simplify right side
    48,981.19x = 2,160,983,233.54
  5. Step 5: Solve for x
    x = 2,160,983,233.54/48,981.19
  6. Step 6: Final answer
    x = 44,118.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.