Home / 49,870.48-74,805.51-20,288.07

Finding the Fourth Proportional to 49,870.48, 74,805.51 and 20,288.07

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Solution

The fourth proportional to 49,870.48, 74,805.51 and 20,288.07 is: 30,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.48 : 74,805.51 = 20,288.07 : x
  2. Step 2: Convert to fraction form
    49,870.48/74,805.51 = 20,288.07/x
  3. Step 3: Cross multiply
    49,870.48x = 74,805.51 × 20,288.07
  4. Step 4: Simplify right side
    49,870.48x = 1,517,659,423.27
  5. Step 5: Solve for x
    x = 1,517,659,423.27/49,870.48
  6. Step 6: Final answer
    x = 30,432.02

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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.