Home / 66,375.42-91,599.15-36,162.18

Finding the Fourth Proportional to 66,375.42, 91,599.15 and 36,162.18

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Solution

The fourth proportional to 66,375.42, 91,599.15 and 36,162.18 is: 49,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,375.42 : 91,599.15 = 36,162.18 : x
  2. Step 2: Convert to fraction form
    66,375.42/91,599.15 = 36,162.18/x
  3. Step 3: Cross multiply
    66,375.42x = 91,599.15 × 36,162.18
  4. Step 4: Simplify right side
    66,375.42x = 3,312,424,950.15
  5. Step 5: Solve for x
    x = 3,312,424,950.15/66,375.42
  6. Step 6: Final answer
    x = 49,904.39

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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.