Home / 31,806.08-43,890.36-17,658.92

Finding the Fourth Proportional to 31,806.08, 43,890.36 and 17,658.92

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Solution

The fourth proportional to 31,806.08, 43,890.36 and 17,658.92 is: 24,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,806.08 : 43,890.36 = 17,658.92 : x
  2. Step 2: Convert to fraction form
    31,806.08/43,890.36 = 17,658.92/x
  3. Step 3: Cross multiply
    31,806.08x = 43,890.36 × 17,658.92
  4. Step 4: Simplify right side
    31,806.08x = 775,056,356.01
  5. Step 5: Solve for x
    x = 775,056,356.01/31,806.08
  6. Step 6: Final answer
    x = 24,368.18

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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.