Home / 57,854.24-79,838.40-31,358.24

Finding the Fourth Proportional to 57,854.24, 79,838.40 and 31,358.24

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Solution

The fourth proportional to 57,854.24, 79,838.40 and 31,358.24 is: 43,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,854.24 : 79,838.40 = 31,358.24 : x
  2. Step 2: Convert to fraction form
    57,854.24/79,838.40 = 31,358.24/x
  3. Step 3: Cross multiply
    57,854.24x = 79,838.40 × 31,358.24
  4. Step 4: Simplify right side
    57,854.24x = 2,503,591,708.42
  5. Step 5: Solve for x
    x = 2,503,591,708.42/57,854.24
  6. Step 6: Final answer
    x = 43,274.13

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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.