Home / 31,719.40-43,774.20-17,572.24

Finding the Fourth Proportional to 31,719.40, 43,774.20 and 17,572.24

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Solution

The fourth proportional to 31,719.40, 43,774.20 and 17,572.24 is: 24,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.40 : 43,774.20 = 17,572.24 : x
  2. Step 2: Convert to fraction form
    31,719.40/43,774.20 = 17,572.24/x
  3. Step 3: Cross multiply
    31,719.40x = 43,774.20 × 17,572.24
  4. Step 4: Simplify right side
    31,719.40x = 769,210,748.21
  5. Step 5: Solve for x
    x = 769,210,748.21/31,719.40
  6. Step 6: Final answer
    x = 24,250.48

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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.