Home / 31,440.60-43,388.02-17,294.36

Finding the Fourth Proportional to 31,440.60, 43,388.02 and 17,294.36

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Solution

The fourth proportional to 31,440.60, 43,388.02 and 17,294.36 is: 23,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.60 : 43,388.02 = 17,294.36 : x
  2. Step 2: Convert to fraction form
    31,440.60/43,388.02 = 17,294.36/x
  3. Step 3: Cross multiply
    31,440.60x = 43,388.02 × 17,294.36
  4. Step 4: Simplify right side
    31,440.60x = 750,368,037.57
  5. Step 5: Solve for x
    x = 750,368,037.57/31,440.60
  6. Step 6: Final answer
    x = 23,866.21

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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.