Home / 31,979.87-44,131.66-17,641.01

Finding the Fourth Proportional to 31,979.87, 44,131.66 and 17,641.01

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Solution

The fourth proportional to 31,979.87, 44,131.66 and 17,641.01 is: 24,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979.87 : 44,131.66 = 17,641.01 : x
  2. Step 2: Convert to fraction form
    31,979.87/44,131.66 = 17,641.01/x
  3. Step 3: Cross multiply
    31,979.87x = 44,131.66 × 17,641.01
  4. Step 4: Simplify right side
    31,979.87x = 778,526,967.17
  5. Step 5: Solve for x
    x = 778,526,967.17/31,979.87
  6. Step 6: Final answer
    x = 24,344.28

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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.