Home / 48,409.29-66,775.86-30,473.19

Finding the Fourth Proportional to 48,409.29, 66,775.86 and 30,473.19

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Solution

The fourth proportional to 48,409.29, 66,775.86 and 30,473.19 is: 42,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.29 : 66,775.86 = 30,473.19 : x
  2. Step 2: Convert to fraction form
    48,409.29/66,775.86 = 30,473.19/x
  3. Step 3: Cross multiply
    48,409.29x = 66,775.86 × 30,473.19
  4. Step 4: Simplify right side
    48,409.29x = 2,034,873,469.19
  5. Step 5: Solve for x
    x = 2,034,873,469.19/48,409.29
  6. Step 6: Final answer
    x = 42,034.77

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1.5x scale

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.