Home / 52,610.60-72,604.20-28,738.40

Finding the Fourth Proportional to 52,610.60, 72,604.20 and 28,738.40

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Solution

The fourth proportional to 52,610.60, 72,604.20 and 28,738.40 is: 39,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,610.60 : 72,604.20 = 28,738.40 : x
  2. Step 2: Convert to fraction form
    52,610.60/72,604.20 = 28,738.40/x
  3. Step 3: Cross multiply
    52,610.60x = 72,604.20 × 28,738.40
  4. Step 4: Simplify right side
    52,610.60x = 2,086,528,541.28
  5. Step 5: Solve for x
    x = 2,086,528,541.28/52,610.60
  6. Step 6: Final answer
    x = 39,659.85

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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.