Home / 31,448.40-43,397.64-17,301.12

Finding the Fourth Proportional to 31,448.40, 43,397.64 and 17,301.12

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Solution

The fourth proportional to 31,448.40, 43,397.64 and 17,301.12 is: 23,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.40 : 43,397.64 = 17,301.12 : x
  2. Step 2: Convert to fraction form
    31,448.40/43,397.64 = 17,301.12/x
  3. Step 3: Cross multiply
    31,448.40x = 43,397.64 × 17,301.12
  4. Step 4: Simplify right side
    31,448.40x = 750,827,777.36
  5. Step 5: Solve for x
    x = 750,827,777.36/31,448.40
  6. Step 6: Final answer
    x = 23,874.91

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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.