Home / 31,588.94-43,592.38-18,160.30

Finding the Fourth Proportional to 31,588.94, 43,592.38 and 18,160.30

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Solution

The fourth proportional to 31,588.94, 43,592.38 and 18,160.30 is: 25,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.94 : 43,592.38 = 18,160.30 : x
  2. Step 2: Convert to fraction form
    31,588.94/43,592.38 = 18,160.30/x
  3. Step 3: Cross multiply
    31,588.94x = 43,592.38 × 18,160.30
  4. Step 4: Simplify right side
    31,588.94x = 791,650,707.60
  5. Step 5: Solve for x
    x = 791,650,707.60/31,588.94
  6. Step 6: Final answer
    x = 25,061.01

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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.