Home / 55,141.89-82,711.07-32,805.60

Finding the Fourth Proportional to 55,141.89, 82,711.07 and 32,805.60

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Solution

The fourth proportional to 55,141.89, 82,711.07 and 32,805.60 is: 49,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,141.89 : 82,711.07 = 32,805.60 : x
  2. Step 2: Convert to fraction form
    55,141.89/82,711.07 = 32,805.60/x
  3. Step 3: Cross multiply
    55,141.89x = 82,711.07 × 32,805.60
  4. Step 4: Simplify right side
    55,141.89x = 2,713,386,277.99
  5. Step 5: Solve for x
    x = 2,713,386,277.99/55,141.89
  6. Step 6: Final answer
    x = 49,207.35

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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.