Home / 67,221.56-92,763.81-38,540.27

Finding the Fourth Proportional to 67,221.56, 92,763.81 and 38,540.27

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Solution

The fourth proportional to 67,221.56, 92,763.81 and 38,540.27 is: 53,184.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221.56 : 92,763.81 = 38,540.27 : x
  2. Step 2: Convert to fraction form
    67,221.56/92,763.81 = 38,540.27/x
  3. Step 3: Cross multiply
    67,221.56x = 92,763.81 × 38,540.27
  4. Step 4: Simplify right side
    67,221.56x = 3,575,141,819.81
  5. Step 5: Solve for x
    x = 3,575,141,819.81/67,221.56
  6. Step 6: Final answer
    x = 53,184.46

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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.