Home / 66,722.68-92,077.25-36,508.20

Finding the Fourth Proportional to 66,722.68, 92,077.25 and 36,508.20

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Solution

The fourth proportional to 66,722.68, 92,077.25 and 36,508.20 is: 50,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,722.68 : 92,077.25 = 36,508.20 : x
  2. Step 2: Convert to fraction form
    66,722.68/92,077.25 = 36,508.20/x
  3. Step 3: Cross multiply
    66,722.68x = 92,077.25 × 36,508.20
  4. Step 4: Simplify right side
    66,722.68x = 3,361,574,658.45
  5. Step 5: Solve for x
    x = 3,361,574,658.45/66,722.68
  6. Step 6: Final answer
    x = 50,381.29

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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.