Home / 31,467.68-43,337.76-31,371.20

Finding the Fourth Proportional to 31,467.68, 43,337.76 and 31,371.20

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Solution

The fourth proportional to 31,467.68, 43,337.76 and 31,371.20 is: 43,204.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.68 : 43,337.76 = 31,371.20 : x
  2. Step 2: Convert to fraction form
    31,467.68/43,337.76 = 31,371.20/x
  3. Step 3: Cross multiply
    31,467.68x = 43,337.76 × 31,371.20
  4. Step 4: Simplify right side
    31,467.68x = 1,359,557,536.51
  5. Step 5: Solve for x
    x = 1,359,557,536.51/31,467.68
  6. Step 6: Final answer
    x = 43,204.89

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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.