Home / 31,440.60-43,390.62-17,295.48

Finding the Fourth Proportional to 31,440.60, 43,390.62 and 17,295.48

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Solution

The fourth proportional to 31,440.60, 43,390.62 and 17,295.48 is: 23,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.60 : 43,390.62 = 17,295.48 : x
  2. Step 2: Convert to fraction form
    31,440.60/43,390.62 = 17,295.48/x
  3. Step 3: Cross multiply
    31,440.60x = 43,390.62 × 17,295.48
  4. Step 4: Simplify right side
    31,440.60x = 750,461,600.40
  5. Step 5: Solve for x
    x = 750,461,600.40/31,440.60
  6. Step 6: Final answer
    x = 23,869.19

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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.