Home / 52,743.66-72,783.42-28,865.70

Finding the Fourth Proportional to 52,743.66, 72,783.42 and 28,865.70

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Solution

The fourth proportional to 52,743.66, 72,783.42 and 28,865.70 is: 39,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,743.66 : 72,783.42 = 28,865.70 : x
  2. Step 2: Convert to fraction form
    52,743.66/72,783.42 = 28,865.70/x
  3. Step 3: Cross multiply
    52,743.66x = 72,783.42 × 28,865.70
  4. Step 4: Simplify right side
    52,743.66x = 2,100,944,366.69
  5. Step 5: Solve for x
    x = 2,100,944,366.69/52,743.66
  6. Step 6: Final answer
    x = 39,833.12

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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.