Home / 57,312.27-79,091.24-31,819.01

Finding the Fourth Proportional to 57,312.27, 79,091.24 and 31,819.01

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Solution

The fourth proportional to 57,312.27, 79,091.24 and 31,819.01 is: 43,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312.27 : 79,091.24 = 31,819.01 : x
  2. Step 2: Convert to fraction form
    57,312.27/79,091.24 = 31,819.01/x
  3. Step 3: Cross multiply
    57,312.27x = 79,091.24 × 31,819.01
  4. Step 4: Simplify right side
    57,312.27x = 2,516,604,401.92
  5. Step 5: Solve for x
    x = 2,516,604,401.92/57,312.27
  6. Step 6: Final answer
    x = 43,910.39

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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.