Home / 51,446.14-70,983.34-31,037.78

Finding the Fourth Proportional to 51,446.14, 70,983.34 and 31,037.78

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Solution

The fourth proportional to 51,446.14, 70,983.34 and 31,037.78 is: 42,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,446.14 : 70,983.34 = 31,037.78 : x
  2. Step 2: Convert to fraction form
    51,446.14/70,983.34 = 31,037.78/x
  3. Step 3: Cross multiply
    51,446.14x = 70,983.34 × 31,037.78
  4. Step 4: Simplify right side
    51,446.14x = 2,203,165,390.45
  5. Step 5: Solve for x
    x = 2,203,165,390.45/51,446.14
  6. Step 6: Final answer
    x = 42,824.70

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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.