Home / 48,508.29-72,674.84-20,378.00

Finding the Fourth Proportional to 48,508.29, 72,674.84 and 20,378.00

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Solution

The fourth proportional to 48,508.29, 72,674.84 and 20,378.00 is: 30,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,508.29 : 72,674.84 = 20,378.00 : x
  2. Step 2: Convert to fraction form
    48,508.29/72,674.84 = 20,378.00/x
  3. Step 3: Cross multiply
    48,508.29x = 72,674.84 × 20,378.00
  4. Step 4: Simplify right side
    48,508.29x = 1,480,968,122.15
  5. Step 5: Solve for x
    x = 1,480,968,122.15/48,508.29
  6. Step 6: Final answer
    x = 30,530.21

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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.