Home / 20,537.52-30,657.72-18,046.38

Finding the Fourth Proportional to 20,537.52, 30,657.72 and 18,046.38

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Solution

The fourth proportional to 20,537.52, 30,657.72 and 18,046.38 is: 26,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537.52 : 30,657.72 = 18,046.38 : x
  2. Step 2: Convert to fraction form
    20,537.52/30,657.72 = 18,046.38/x
  3. Step 3: Cross multiply
    20,537.52x = 30,657.72 × 18,046.38
  4. Step 4: Simplify right side
    20,537.52x = 553,260,865.05
  5. Step 5: Solve for x
    x = 553,260,865.05/20,537.52
  6. Step 6: Final answer
    x = 26,939.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.