Home / 31,397.36-43,328.98-17,250.74

Finding the Fourth Proportional to 31,397.36, 43,328.98 and 17,250.74

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Solution

The fourth proportional to 31,397.36, 43,328.98 and 17,250.74 is: 23,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.36 : 43,328.98 = 17,250.74 : x
  2. Step 2: Convert to fraction form
    31,397.36/43,328.98 = 17,250.74/x
  3. Step 3: Cross multiply
    31,397.36x = 43,328.98 × 17,250.74
  4. Step 4: Simplify right side
    31,397.36x = 747,456,968.45
  5. Step 5: Solve for x
    x = 747,456,968.45/31,397.36
  6. Step 6: Final answer
    x = 23,806.36

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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.