Home / 52,778.40-72,833.22-28,904.46

Finding the Fourth Proportional to 52,778.40, 72,833.22 and 28,904.46

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Solution

The fourth proportional to 52,778.40, 72,833.22 and 28,904.46 is: 39,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,778.40 : 72,833.22 = 28,904.46 : x
  2. Step 2: Convert to fraction form
    52,778.40/72,833.22 = 28,904.46/x
  3. Step 3: Cross multiply
    52,778.40x = 72,833.22 × 28,904.46
  4. Step 4: Simplify right side
    52,778.40x = 2,105,204,894.16
  5. Step 5: Solve for x
    x = 2,105,204,894.16/52,778.40
  6. Step 6: Final answer
    x = 39,887.62

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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.