Home / 55,065.94-75,991.53-29,915.62

Finding the Fourth Proportional to 55,065.94, 75,991.53 and 29,915.62

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Solution

The fourth proportional to 55,065.94, 75,991.53 and 29,915.62 is: 41,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,065.94 : 75,991.53 = 29,915.62 : x
  2. Step 2: Convert to fraction form
    55,065.94/75,991.53 = 29,915.62/x
  3. Step 3: Cross multiply
    55,065.94x = 75,991.53 × 29,915.62
  4. Step 4: Simplify right side
    55,065.94x = 2,273,333,734.70
  5. Step 5: Solve for x
    x = 2,273,333,734.70/55,065.94
  6. Step 6: Final answer
    x = 41,283.85

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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.