Home / 31,407.13-43,342.73-17,260.89

Finding the Fourth Proportional to 31,407.13, 43,342.73 and 17,260.89

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Solution

The fourth proportional to 31,407.13, 43,342.73 and 17,260.89 is: 23,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.13 : 43,342.73 = 17,260.89 : x
  2. Step 2: Convert to fraction form
    31,407.13/43,342.73 = 17,260.89/x
  3. Step 3: Cross multiply
    31,407.13x = 43,342.73 × 17,260.89
  4. Step 4: Simplify right side
    31,407.13x = 748,134,094.83
  5. Step 5: Solve for x
    x = 748,134,094.83/31,407.13
  6. Step 6: Final answer
    x = 23,820.52

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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.