Home / 22,117.95-33,085.80-20,171.52

Finding the Fourth Proportional to 22,117.95, 33,085.80 and 20,171.52

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Solution

The fourth proportional to 22,117.95, 33,085.80 and 20,171.52 is: 30,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.95 : 33,085.80 = 20,171.52 : x
  2. Step 2: Convert to fraction form
    22,117.95/33,085.80 = 20,171.52/x
  3. Step 3: Cross multiply
    22,117.95x = 33,085.80 × 20,171.52
  4. Step 4: Simplify right side
    22,117.95x = 667,390,876.42
  5. Step 5: Solve for x
    x = 667,390,876.42/22,117.95
  6. Step 6: Final answer
    x = 30,174.17

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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.