Home / 57,319.48-79,101.18-31,826.76

Finding the Fourth Proportional to 57,319.48, 79,101.18 and 31,826.76

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Solution

The fourth proportional to 57,319.48, 79,101.18 and 31,826.76 is: 43,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.48 : 79,101.18 = 31,826.76 : x
  2. Step 2: Convert to fraction form
    57,319.48/79,101.18 = 31,826.76/x
  3. Step 3: Cross multiply
    57,319.48x = 79,101.18 × 31,826.76
  4. Step 4: Simplify right side
    57,319.48x = 2,517,534,271.58
  5. Step 5: Solve for x
    x = 2,517,534,271.58/57,319.48
  6. Step 6: Final answer
    x = 43,921.09

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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.