Home / 31,021.38-42,808.59-17,593.86

Finding the Fourth Proportional to 31,021.38, 42,808.59 and 17,593.86

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Solution

The fourth proportional to 31,021.38, 42,808.59 and 17,593.86 is: 24,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.38 : 42,808.59 = 17,593.86 : x
  2. Step 2: Convert to fraction form
    31,021.38/42,808.59 = 17,593.86/x
  3. Step 3: Cross multiply
    31,021.38x = 42,808.59 × 17,593.86
  4. Step 4: Simplify right side
    31,021.38x = 753,168,339.26
  5. Step 5: Solve for x
    x = 753,168,339.26/31,021.38
  6. Step 6: Final answer
    x = 24,279.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.