Home / 31,707.60-43,756.47-17,560.44

Finding the Fourth Proportional to 31,707.60, 43,756.47 and 17,560.44

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Solution

The fourth proportional to 31,707.60, 43,756.47 and 17,560.44 is: 24,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.60 : 43,756.47 = 17,560.44 : x
  2. Step 2: Convert to fraction form
    31,707.60/43,756.47 = 17,560.44/x
  3. Step 3: Cross multiply
    31,707.60x = 43,756.47 × 17,560.44
  4. Step 4: Simplify right side
    31,707.60x = 768,382,866.05
  5. Step 5: Solve for x
    x = 768,382,866.05/31,707.60
  6. Step 6: Final answer
    x = 24,233.40

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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.