Home / 64,572.24-96,823.08-20,187.12

Finding the Fourth Proportional to 64,572.24, 96,823.08 and 20,187.12

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Solution

The fourth proportional to 64,572.24, 96,823.08 and 20,187.12 is: 30,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,572.24 : 96,823.08 = 20,187.12 : x
  2. Step 2: Convert to fraction form
    64,572.24/96,823.08 = 20,187.12/x
  3. Step 3: Cross multiply
    64,572.24x = 96,823.08 × 20,187.12
  4. Step 4: Simplify right side
    64,572.24x = 1,954,579,134.73
  5. Step 5: Solve for x
    x = 1,954,579,134.73/64,572.24
  6. Step 6: Final answer
    x = 30,269.65

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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.