Home / 31,169.87-43,017.51-18,594.62

Finding the Fourth Proportional to 31,169.87, 43,017.51 and 18,594.62

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Solution

The fourth proportional to 31,169.87, 43,017.51 and 18,594.62 is: 25,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,169.87 : 43,017.51 = 18,594.62 : x
  2. Step 2: Convert to fraction form
    31,169.87/43,017.51 = 18,594.62/x
  3. Step 3: Cross multiply
    31,169.87x = 43,017.51 × 18,594.62
  4. Step 4: Simplify right side
    31,169.87x = 799,894,036.71
  5. Step 5: Solve for x
    x = 799,894,036.71/31,169.87
  6. Step 6: Final answer
    x = 25,662.42

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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.