Home / 48,409.21-66,775.71-30,473.08

Finding the Fourth Proportional to 48,409.21, 66,775.71 and 30,473.08

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Solution

The fourth proportional to 48,409.21, 66,775.71 and 30,473.08 is: 42,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.21 : 66,775.71 = 30,473.08 : x
  2. Step 2: Convert to fraction form
    48,409.21/66,775.71 = 30,473.08/x
  3. Step 3: Cross multiply
    48,409.21x = 66,775.71 × 30,473.08
  4. Step 4: Simplify right side
    48,409.21x = 2,034,861,552.89
  5. Step 5: Solve for x
    x = 2,034,861,552.89/48,409.21
  6. Step 6: Final answer
    x = 42,034.60

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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.