Home / 53,715.22-80,572.76-18,655.18

Finding the Fourth Proportional to 53,715.22, 80,572.76 and 18,655.18

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Solution

The fourth proportional to 53,715.22, 80,572.76 and 18,655.18 is: 27,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,715.22 : 80,572.76 = 18,655.18 : x
  2. Step 2: Convert to fraction form
    53,715.22/80,572.76 = 18,655.18/x
  3. Step 3: Cross multiply
    53,715.22x = 80,572.76 × 18,655.18
  4. Step 4: Simplify right side
    53,715.22x = 1,503,099,340.90
  5. Step 5: Solve for x
    x = 1,503,099,340.90/53,715.22
  6. Step 6: Final answer
    x = 27,982.75

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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.