Home / 57,424.47-79,236.16-31,930.12

Finding the Fourth Proportional to 57,424.47, 79,236.16 and 31,930.12

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Solution

The fourth proportional to 57,424.47, 79,236.16 and 31,930.12 is: 44,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,424.47 : 79,236.16 = 31,930.12 : x
  2. Step 2: Convert to fraction form
    57,424.47/79,236.16 = 31,930.12/x
  3. Step 3: Cross multiply
    57,424.47x = 79,236.16 × 31,930.12
  4. Step 4: Simplify right side
    57,424.47x = 2,530,020,097.14
  5. Step 5: Solve for x
    x = 2,530,020,097.14/57,424.47
  6. Step 6: Final answer
    x = 44,058.22

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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.