Home / 57,341.24-79,129.38-31,846.84

Finding the Fourth Proportional to 57,341.24, 79,129.38 and 31,846.84

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Solution

The fourth proportional to 57,341.24, 79,129.38 and 31,846.84 is: 43,947.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,341.24 : 79,129.38 = 31,846.84 : x
  2. Step 2: Convert to fraction form
    57,341.24/79,129.38 = 31,846.84/x
  3. Step 3: Cross multiply
    57,341.24x = 79,129.38 × 31,846.84
  4. Step 4: Simplify right side
    57,341.24x = 2,520,020,704.16
  5. Step 5: Solve for x
    x = 2,520,020,704.16/57,341.24
  6. Step 6: Final answer
    x = 43,947.79

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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.