Home / 31,250.16-43,126.56-17,820.36

Finding the Fourth Proportional to 31,250.16, 43,126.56 and 17,820.36

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Solution

The fourth proportional to 31,250.16, 43,126.56 and 17,820.36 is: 24,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.16 : 43,126.56 = 17,820.36 : x
  2. Step 2: Convert to fraction form
    31,250.16/43,126.56 = 17,820.36/x
  3. Step 3: Cross multiply
    31,250.16x = 43,126.56 × 17,820.36
  4. Step 4: Simplify right side
    31,250.16x = 768,530,824.76
  5. Step 5: Solve for x
    x = 768,530,824.76/31,250.16
  6. Step 6: Final answer
    x = 24,592.86

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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.