Home / 52,713.69-72,746.70-28,840.38

Finding the Fourth Proportional to 52,713.69, 72,746.70 and 28,840.38

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Solution

The fourth proportional to 52,713.69, 72,746.70 and 28,840.38 is: 39,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,713.69 : 72,746.70 = 28,840.38 : x
  2. Step 2: Convert to fraction form
    52,713.69/72,746.70 = 28,840.38/x
  3. Step 3: Cross multiply
    52,713.69x = 72,746.70 × 28,840.38
  4. Step 4: Simplify right side
    52,713.69x = 2,098,042,471.75
  5. Step 5: Solve for x
    x = 2,098,042,471.75/52,713.69
  6. Step 6: Final answer
    x = 39,800.71

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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.