Home / 31,507.36-43,480.29-17,360.20

Finding the Fourth Proportional to 31,507.36, 43,480.29 and 17,360.20

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Solution

The fourth proportional to 31,507.36, 43,480.29 and 17,360.20 is: 23,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.36 : 43,480.29 = 17,360.20 : x
  2. Step 2: Convert to fraction form
    31,507.36/43,480.29 = 17,360.20/x
  3. Step 3: Cross multiply
    31,507.36x = 43,480.29 × 17,360.20
  4. Step 4: Simplify right side
    31,507.36x = 754,826,530.46
  5. Step 5: Solve for x
    x = 754,826,530.46/31,507.36
  6. Step 6: Final answer
    x = 23,957.15

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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.