Home / 48,222.29-72,338.21-20,151.12

Finding the Fourth Proportional to 48,222.29, 72,338.21 and 20,151.12

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Solution

The fourth proportional to 48,222.29, 72,338.21 and 20,151.12 is: 30,228.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,222.29 : 72,338.21 = 20,151.12 : x
  2. Step 2: Convert to fraction form
    48,222.29/72,338.21 = 20,151.12/x
  3. Step 3: Cross multiply
    48,222.29x = 72,338.21 × 20,151.12
  4. Step 4: Simplify right side
    48,222.29x = 1,457,695,950.30
  5. Step 5: Solve for x
    x = 1,457,695,950.30/48,222.29
  6. Step 6: Final answer
    x = 30,228.68

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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.