Home / 57,521.30-86,307.06-20,108.22

Finding the Fourth Proportional to 57,521.30, 86,307.06 and 20,108.22

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Solution

The fourth proportional to 57,521.30, 86,307.06 and 20,108.22 is: 30,171.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,521.30 : 86,307.06 = 20,108.22 : x
  2. Step 2: Convert to fraction form
    57,521.30/86,307.06 = 20,108.22/x
  3. Step 3: Cross multiply
    57,521.30x = 86,307.06 × 20,108.22
  4. Step 4: Simplify right side
    57,521.30x = 1,735,481,350.03
  5. Step 5: Solve for x
    x = 1,735,481,350.03/57,521.30
  6. Step 6: Final answer
    x = 30,171.11

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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.