Home / 31,722.89-43,774.21-17,574.35

Finding the Fourth Proportional to 31,722.89, 43,774.21 and 17,574.35

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Solution

The fourth proportional to 31,722.89, 43,774.21 and 17,574.35 is: 24,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,722.89 : 43,774.21 = 17,574.35 : x
  2. Step 2: Convert to fraction form
    31,722.89/43,774.21 = 17,574.35/x
  3. Step 3: Cross multiply
    31,722.89x = 43,774.21 × 17,574.35
  4. Step 4: Simplify right side
    31,722.89x = 769,303,287.51
  5. Step 5: Solve for x
    x = 769,303,287.51/31,722.89
  6. Step 6: Final answer
    x = 24,250.73

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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.