Home / 31,403.48-43,337.58-17,257.64

Finding the Fourth Proportional to 31,403.48, 43,337.58 and 17,257.64

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Solution

The fourth proportional to 31,403.48, 43,337.58 and 17,257.64 is: 23,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.48 : 43,337.58 = 17,257.64 : x
  2. Step 2: Convert to fraction form
    31,403.48/43,337.58 = 17,257.64/x
  3. Step 3: Cross multiply
    31,403.48x = 43,337.58 × 17,257.64
  4. Step 4: Simplify right side
    31,403.48x = 747,904,354.11
  5. Step 5: Solve for x
    x = 747,904,354.11/31,403.48
  6. Step 6: Final answer
    x = 23,815.97

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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.