Home / 31,507.60-43,481-17,360.24

Finding the Fourth Proportional to 31,507.60, 43,481 and 17,360.24

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Solution

The fourth proportional to 31,507.60, 43,481 and 17,360.24 is: 23,957.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507.60 : 43,481 = 17,360.24 : x
  2. Step 2: Convert to fraction form
    31,507.60/43,481 = 17,360.24/x
  3. Step 3: Cross multiply
    31,507.60x = 43,481 × 17,360.24
  4. Step 4: Simplify right side
    31,507.60x = 754,840,595.44
  5. Step 5: Solve for x
    x = 754,840,595.44/31,507.60
  6. Step 6: Final answer
    x = 23,957.41

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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.