Home / 48,863.29-67,438.59-30,959.96

Finding the Fourth Proportional to 48,863.29, 67,438.59 and 30,959.96

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Solution

The fourth proportional to 48,863.29, 67,438.59 and 30,959.96 is: 42,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,863.29 : 67,438.59 = 30,959.96 : x
  2. Step 2: Convert to fraction form
    48,863.29/67,438.59 = 30,959.96/x
  3. Step 3: Cross multiply
    48,863.29x = 67,438.59 × 30,959.96
  4. Step 4: Simplify right side
    48,863.29x = 2,087,896,048.86
  5. Step 5: Solve for x
    x = 2,087,896,048.86/48,863.29
  6. Step 6: Final answer
    x = 42,729.34

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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.