Home / 66,144.96-91,281.04-35,930.88

Finding the Fourth Proportional to 66,144.96, 91,281.04 and 35,930.88

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Solution

The fourth proportional to 66,144.96, 91,281.04 and 35,930.88 is: 49,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,144.96 : 91,281.04 = 35,930.88 : x
  2. Step 2: Convert to fraction form
    66,144.96/91,281.04 = 35,930.88/x
  3. Step 3: Cross multiply
    66,144.96x = 91,281.04 × 35,930.88
  4. Step 4: Simplify right side
    66,144.96x = 3,279,808,094.52
  5. Step 5: Solve for x
    x = 3,279,808,094.52/66,144.96
  6. Step 6: Final answer
    x = 49,585.16

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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.