Home / 31,447.36-43,397.42-17,301.08

Finding the Fourth Proportional to 31,447.36, 43,397.42 and 17,301.08

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Solution

The fourth proportional to 31,447.36, 43,397.42 and 17,301.08 is: 23,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.36 : 43,397.42 = 17,301.08 : x
  2. Step 2: Convert to fraction form
    31,447.36/43,397.42 = 17,301.08/x
  3. Step 3: Cross multiply
    31,447.36x = 43,397.42 × 17,301.08
  4. Step 4: Simplify right side
    31,447.36x = 750,822,235.21
  5. Step 5: Solve for x
    x = 750,822,235.21/31,447.36
  6. Step 6: Final answer
    x = 23,875.53

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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.