Home / 49,880.91-74,821.23-20,291.76

Finding the Fourth Proportional to 49,880.91, 74,821.23 and 20,291.76

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Solution

The fourth proportional to 49,880.91, 74,821.23 and 20,291.76 is: 30,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,880.91 : 74,821.23 = 20,291.76 : x
  2. Step 2: Convert to fraction form
    49,880.91/74,821.23 = 20,291.76/x
  3. Step 3: Cross multiply
    49,880.91x = 74,821.23 × 20,291.76
  4. Step 4: Simplify right side
    49,880.91x = 1,518,254,442.06
  5. Step 5: Solve for x
    x = 1,518,254,442.06/49,880.91
  6. Step 6: Final answer
    x = 30,437.59

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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.