Home / 39,818.16-54,946.44-22,822.20

Finding the Fourth Proportional to 39,818.16, 54,946.44 and 22,822.20

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Solution

The fourth proportional to 39,818.16, 54,946.44 and 22,822.20 is: 31,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.16 : 54,946.44 = 22,822.20 : x
  2. Step 2: Convert to fraction form
    39,818.16/54,946.44 = 22,822.20/x
  3. Step 3: Cross multiply
    39,818.16x = 54,946.44 × 22,822.20
  4. Step 4: Simplify right side
    39,818.16x = 1,253,998,642.97
  5. Step 5: Solve for x
    x = 1,253,998,642.97/39,818.16
  6. Step 6: Final answer
    x = 31,493.13

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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.