Home / 31,445.60-43,392.56-17,299.36

Finding the Fourth Proportional to 31,445.60, 43,392.56 and 17,299.36

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Solution

The fourth proportional to 31,445.60, 43,392.56 and 17,299.36 is: 23,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.60 : 43,392.56 = 17,299.36 : x
  2. Step 2: Convert to fraction form
    31,445.60/43,392.56 = 17,299.36/x
  3. Step 3: Cross multiply
    31,445.60x = 43,392.56 × 17,299.36
  4. Step 4: Simplify right side
    31,445.60x = 750,663,213.30
  5. Step 5: Solve for x
    x = 750,663,213.30/31,445.60
  6. Step 6: Final answer
    x = 23,871.80

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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.