Home / 31,569.21-43,565.24-17,421.75

Finding the Fourth Proportional to 31,569.21, 43,565.24 and 17,421.75

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Solution

The fourth proportional to 31,569.21, 43,565.24 and 17,421.75 is: 24,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.21 : 43,565.24 = 17,421.75 : x
  2. Step 2: Convert to fraction form
    31,569.21/43,565.24 = 17,421.75/x
  3. Step 3: Cross multiply
    31,569.21x = 43,565.24 × 17,421.75
  4. Step 4: Simplify right side
    31,569.21x = 758,982,763.52
  5. Step 5: Solve for x
    x = 758,982,763.52/31,569.21
  6. Step 6: Final answer
    x = 24,041.87

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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.