Home / 57,741.24-86,616.72-20,298.12

Finding the Fourth Proportional to 57,741.24, 86,616.72 and 20,298.12

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Solution

The fourth proportional to 57,741.24, 86,616.72 and 20,298.12 is: 30,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,741.24 : 86,616.72 = 20,298.12 : x
  2. Step 2: Convert to fraction form
    57,741.24/86,616.72 = 20,298.12/x
  3. Step 3: Cross multiply
    57,741.24x = 86,616.72 × 20,298.12
  4. Step 4: Simplify right side
    57,741.24x = 1,758,156,576.57
  5. Step 5: Solve for x
    x = 1,758,156,576.57/57,741.24
  6. Step 6: Final answer
    x = 30,448.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.