Home / 57,747.68-86,626-18,307.04

Finding the Fourth Proportional to 57,747.68, 86,626 and 18,307.04

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Solution

The fourth proportional to 57,747.68, 86,626 and 18,307.04 is: 27,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.68 : 86,626 = 18,307.04 : x
  2. Step 2: Convert to fraction form
    57,747.68/86,626 = 18,307.04/x
  3. Step 3: Cross multiply
    57,747.68x = 86,626 × 18,307.04
  4. Step 4: Simplify right side
    57,747.68x = 1,585,865,647.04
  5. Step 5: Solve for x
    x = 1,585,865,647.04/57,747.68
  6. Step 6: Final answer
    x = 27,461.98

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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.