Home / 61,921.38-85,449.74-35,066.46

Finding the Fourth Proportional to 61,921.38, 85,449.74 and 35,066.46

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Solution

The fourth proportional to 61,921.38, 85,449.74 and 35,066.46 is: 48,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.38 : 85,449.74 = 35,066.46 : x
  2. Step 2: Convert to fraction form
    61,921.38/85,449.74 = 35,066.46/x
  3. Step 3: Cross multiply
    61,921.38x = 85,449.74 × 35,066.46
  4. Step 4: Simplify right side
    61,921.38x = 2,996,419,889.72
  5. Step 5: Solve for x
    x = 2,996,419,889.72/61,921.38
  6. Step 6: Final answer
    x = 48,390.72

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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.