Home / 31,760.40-43,830.42-17,421.24

Finding the Fourth Proportional to 31,760.40, 43,830.42 and 17,421.24

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Solution

The fourth proportional to 31,760.40, 43,830.42 and 17,421.24 is: 24,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.40 : 43,830.42 = 17,421.24 : x
  2. Step 2: Convert to fraction form
    31,760.40/43,830.42 = 17,421.24/x
  3. Step 3: Cross multiply
    31,760.40x = 43,830.42 × 17,421.24
  4. Step 4: Simplify right side
    31,760.40x = 763,580,266.12
  5. Step 5: Solve for x
    x = 763,580,266.12/31,760.40
  6. Step 6: Final answer
    x = 24,041.90

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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.