Home / 52,818.92-72,891.80-28,947.05

Finding the Fourth Proportional to 52,818.92, 72,891.80 and 28,947.05

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Solution

The fourth proportional to 52,818.92, 72,891.80 and 28,947.05 is: 39,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.92 : 72,891.80 = 28,947.05 : x
  2. Step 2: Convert to fraction form
    52,818.92/72,891.80 = 28,947.05/x
  3. Step 3: Cross multiply
    52,818.92x = 72,891.80 × 28,947.05
  4. Step 4: Simplify right side
    52,818.92x = 2,110,002,579.19
  5. Step 5: Solve for x
    x = 2,110,002,579.19/52,818.92
  6. Step 6: Final answer
    x = 39,947.86

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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.