Home / 31,465.26-43,423.29-17,319.42

Finding the Fourth Proportional to 31,465.26, 43,423.29 and 17,319.42

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Solution

The fourth proportional to 31,465.26, 43,423.29 and 17,319.42 is: 23,901.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.26 : 43,423.29 = 17,319.42 : x
  2. Step 2: Convert to fraction form
    31,465.26/43,423.29 = 17,319.42/x
  3. Step 3: Cross multiply
    31,465.26x = 43,423.29 × 17,319.42
  4. Step 4: Simplify right side
    31,465.26x = 752,066,197.29
  5. Step 5: Solve for x
    x = 752,066,197.29/31,465.26
  6. Step 6: Final answer
    x = 23,901.48

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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.