Home / 31,347.60-43,259.74-17,200.55

Finding the Fourth Proportional to 31,347.60, 43,259.74 and 17,200.55

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Solution

The fourth proportional to 31,347.60, 43,259.74 and 17,200.55 is: 23,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347.60 : 43,259.74 = 17,200.55 : x
  2. Step 2: Convert to fraction form
    31,347.60/43,259.74 = 17,200.55/x
  3. Step 3: Cross multiply
    31,347.60x = 43,259.74 × 17,200.55
  4. Step 4: Simplify right side
    31,347.60x = 744,091,320.86
  5. Step 5: Solve for x
    x = 744,091,320.86/31,347.60
  6. Step 6: Final answer
    x = 23,736.79

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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.