Home / 31,407.72-43,341.80-17,260.58

Finding the Fourth Proportional to 31,407.72, 43,341.80 and 17,260.58

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Solution

The fourth proportional to 31,407.72, 43,341.80 and 17,260.58 is: 23,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.72 : 43,341.80 = 17,260.58 : x
  2. Step 2: Convert to fraction form
    31,407.72/43,341.80 = 17,260.58/x
  3. Step 3: Cross multiply
    31,407.72x = 43,341.80 × 17,260.58
  4. Step 4: Simplify right side
    31,407.72x = 748,104,606.24
  5. Step 5: Solve for x
    x = 748,104,606.24/31,407.72
  6. Step 6: Final answer
    x = 23,819.13

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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.