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Finding the Fourth Proportional to 61,036.60, 91,519.26 and 25,958.20

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Solution

The fourth proportional to 61,036.60, 91,519.26 and 25,958.20 is: 38,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036.60 : 91,519.26 = 25,958.20 : x
  2. Step 2: Convert to fraction form
    61,036.60/91,519.26 = 25,958.20/x
  3. Step 3: Cross multiply
    61,036.60x = 91,519.26 × 25,958.20
  4. Step 4: Simplify right side
    61,036.60x = 2,375,675,254.93
  5. Step 5: Solve for x
    x = 2,375,675,254.93/61,036.60
  6. Step 6: Final answer
    x = 38,922.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.