Home / 52,818.33-72,889.29-28,945.55

Finding the Fourth Proportional to 52,818.33, 72,889.29 and 28,945.55

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Solution

The fourth proportional to 52,818.33, 72,889.29 and 28,945.55 is: 39,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.33 : 72,889.29 = 28,945.55 : x
  2. Step 2: Convert to fraction form
    52,818.33/72,889.29 = 28,945.55/x
  3. Step 3: Cross multiply
    52,818.33x = 72,889.29 × 28,945.55
  4. Step 4: Simplify right side
    52,818.33x = 2,109,820,851.79
  5. Step 5: Solve for x
    x = 2,109,820,851.79/52,818.33
  6. Step 6: Final answer
    x = 39,944.86

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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.