Home / 40,049.40-55,258.16-22,818.12

Finding the Fourth Proportional to 40,049.40, 55,258.16 and 22,818.12

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Solution

The fourth proportional to 40,049.40, 55,258.16 and 22,818.12 is: 31,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,049.40 : 55,258.16 = 22,818.12 : x
  2. Step 2: Convert to fraction form
    40,049.40/55,258.16 = 22,818.12/x
  3. Step 3: Cross multiply
    40,049.40x = 55,258.16 × 22,818.12
  4. Step 4: Simplify right side
    40,049.40x = 1,260,887,325.86
  5. Step 5: Solve for x
    x = 1,260,887,325.86/40,049.40
  6. Step 6: Final answer
    x = 31,483.30

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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.