Home / 31,407.37-43,342.20-17,260.24

Finding the Fourth Proportional to 31,407.37, 43,342.20 and 17,260.24

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Solution

The fourth proportional to 31,407.37, 43,342.20 and 17,260.24 is: 23,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.37 : 43,342.20 = 17,260.24 : x
  2. Step 2: Convert to fraction form
    31,407.37/43,342.20 = 17,260.24/x
  3. Step 3: Cross multiply
    31,407.37x = 43,342.20 × 17,260.24
  4. Step 4: Simplify right side
    31,407.37x = 748,096,774.13
  5. Step 5: Solve for x
    x = 748,096,774.13/31,407.37
  6. Step 6: Final answer
    x = 23,819.15

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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.