Home / 31,767.08-43,838.28-17,620.04

Finding the Fourth Proportional to 31,767.08, 43,838.28 and 17,620.04

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Solution

The fourth proportional to 31,767.08, 43,838.28 and 17,620.04 is: 24,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.08 : 43,838.28 = 17,620.04 : x
  2. Step 2: Convert to fraction form
    31,767.08/43,838.28 = 17,620.04/x
  3. Step 3: Cross multiply
    31,767.08x = 43,838.28 × 17,620.04
  4. Step 4: Simplify right side
    31,767.08x = 772,432,247.13
  5. Step 5: Solve for x
    x = 772,432,247.13/31,767.08
  6. Step 6: Final answer
    x = 24,315.49

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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.