Home / 48,409.68-66,788.72-30,248.08

Finding the Fourth Proportional to 48,409.68, 66,788.72 and 30,248.08

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Solution

The fourth proportional to 48,409.68, 66,788.72 and 30,248.08 is: 41,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.68 : 66,788.72 = 30,248.08 : x
  2. Step 2: Convert to fraction form
    48,409.68/66,788.72 = 30,248.08/x
  3. Step 3: Cross multiply
    48,409.68x = 66,788.72 × 30,248.08
  4. Step 4: Simplify right side
    48,409.68x = 2,020,230,545.66
  5. Step 5: Solve for x
    x = 2,020,230,545.66/48,409.68
  6. Step 6: Final answer
    x = 41,731.95

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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.