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Finding the Fourth Proportional to 55,894.59, 77,107.42 and 33,217.53

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Solution

The fourth proportional to 55,894.59, 77,107.42 and 33,217.53 is: 45,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,894.59 : 77,107.42 = 33,217.53 : x
  2. Step 2: Convert to fraction form
    55,894.59/77,107.42 = 33,217.53/x
  3. Step 3: Cross multiply
    55,894.59x = 77,107.42 × 33,217.53
  4. Step 4: Simplify right side
    55,894.59x = 2,561,318,037.07
  5. Step 5: Solve for x
    x = 2,561,318,037.07/55,894.59
  6. Step 6: Final answer
    x = 45,824.08

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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.