Home / 31,407.06-43,342.66-17,260.82

Finding the Fourth Proportional to 31,407.06, 43,342.66 and 17,260.82

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Solution

The fourth proportional to 31,407.06, 43,342.66 and 17,260.82 is: 23,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.06 : 43,342.66 = 17,260.82 : x
  2. Step 2: Convert to fraction form
    31,407.06/43,342.66 = 17,260.82/x
  3. Step 3: Cross multiply
    31,407.06x = 43,342.66 × 17,260.82
  4. Step 4: Simplify right side
    31,407.06x = 748,129,852.58
  5. Step 5: Solve for x
    x = 748,129,852.58/31,407.06
  6. Step 6: Final answer
    x = 23,820.44

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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.