Home / 31,407.57-43,343.36-17,261.33

Finding the Fourth Proportional to 31,407.57, 43,343.36 and 17,261.33

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Solution

The fourth proportional to 31,407.57, 43,343.36 and 17,261.33 is: 23,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.57 : 43,343.36 = 17,261.33 : x
  2. Step 2: Convert to fraction form
    31,407.57/43,343.36 = 17,261.33/x
  3. Step 3: Cross multiply
    31,407.57x = 43,343.36 × 17,261.33
  4. Step 4: Simplify right side
    31,407.57x = 748,163,737.25
  5. Step 5: Solve for x
    x = 748,163,737.25/31,407.57
  6. Step 6: Final answer
    x = 23,821.13

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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.