Home / 66,988.42-92,445.18-36,776.56

Finding the Fourth Proportional to 66,988.42, 92,445.18 and 36,776.56

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Solution

The fourth proportional to 66,988.42, 92,445.18 and 36,776.56 is: 50,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,988.42 : 92,445.18 = 36,776.56 : x
  2. Step 2: Convert to fraction form
    66,988.42/92,445.18 = 36,776.56/x
  3. Step 3: Cross multiply
    66,988.42x = 92,445.18 × 36,776.56
  4. Step 4: Simplify right side
    66,988.42x = 3,399,815,708.98
  5. Step 5: Solve for x
    x = 3,399,815,708.98/66,988.42
  6. Step 6: Final answer
    x = 50,752.29

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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.