Home / 29,708.34-40,997.28-16,279.57

Finding the Fourth Proportional to 29,708.34, 40,997.28 and 16,279.57

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Solution

The fourth proportional to 29,708.34, 40,997.28 and 16,279.57 is: 22,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,708.34 : 40,997.28 = 16,279.57 : x
  2. Step 2: Convert to fraction form
    29,708.34/40,997.28 = 16,279.57/x
  3. Step 3: Cross multiply
    29,708.34x = 40,997.28 × 16,279.57
  4. Step 4: Simplify right side
    29,708.34x = 667,417,951.54
  5. Step 5: Solve for x
    x = 667,417,951.54/29,708.34
  6. Step 6: Final answer
    x = 22,465.67

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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.