Home / 53,761.28-80,655.28-18,701.24

Finding the Fourth Proportional to 53,761.28, 80,655.28 and 18,701.24

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Solution

The fourth proportional to 53,761.28, 80,655.28 and 18,701.24 is: 28,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,761.28 : 80,655.28 = 18,701.24 : x
  2. Step 2: Convert to fraction form
    53,761.28/80,655.28 = 18,701.24/x
  3. Step 3: Cross multiply
    53,761.28x = 80,655.28 × 18,701.24
  4. Step 4: Simplify right side
    53,761.28x = 1,508,353,748.55
  5. Step 5: Solve for x
    x = 1,508,353,748.55/53,761.28
  6. Step 6: Final answer
    x = 28,056.51

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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.