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Finding the Fourth Proportional to 63,081.75, 94,622.64 and 25,662.18

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Solution

The fourth proportional to 63,081.75, 94,622.64 and 25,662.18 is: 38,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,081.75 : 94,622.64 = 25,662.18 : x
  2. Step 2: Convert to fraction form
    63,081.75/94,622.64 = 25,662.18/x
  3. Step 3: Cross multiply
    63,081.75x = 94,622.64 × 25,662.18
  4. Step 4: Simplify right side
    63,081.75x = 2,428,223,219.76
  5. Step 5: Solve for x
    x = 2,428,223,219.76/63,081.75
  6. Step 6: Final answer
    x = 38,493.28

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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.