Home / 31,718.40-43,774.08-17,575.68

Finding the Fourth Proportional to 31,718.40, 43,774.08 and 17,575.68

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Solution

The fourth proportional to 31,718.40, 43,774.08 and 17,575.68 is: 24,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718.40 : 43,774.08 = 17,575.68 : x
  2. Step 2: Convert to fraction form
    31,718.40/43,774.08 = 17,575.68/x
  3. Step 3: Cross multiply
    31,718.40x = 43,774.08 × 17,575.68
  4. Step 4: Simplify right side
    31,718.40x = 769,359,222.37
  5. Step 5: Solve for x
    x = 769,359,222.37/31,718.40
  6. Step 6: Final answer
    x = 24,255.93

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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.