Home / 53,983.28-80,974.92-28,988.94

Finding the Fourth Proportional to 53,983.28, 80,974.92 and 28,988.94

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Solution

The fourth proportional to 53,983.28, 80,974.92 and 28,988.94 is: 43,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,983.28 : 80,974.92 = 28,988.94 : x
  2. Step 2: Convert to fraction form
    53,983.28/80,974.92 = 28,988.94/x
  3. Step 3: Cross multiply
    53,983.28x = 80,974.92 × 28,988.94
  4. Step 4: Simplify right side
    53,983.28x = 2,347,377,097.38
  5. Step 5: Solve for x
    x = 2,347,377,097.38/53,983.28
  6. Step 6: Final answer
    x = 43,483.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.