Home / 49,890.17-74,873.32-18,330.14

Finding the Fourth Proportional to 49,890.17, 74,873.32 and 18,330.14

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Solution

The fourth proportional to 49,890.17, 74,873.32 and 18,330.14 is: 27,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890.17 : 74,873.32 = 18,330.14 : x
  2. Step 2: Convert to fraction form
    49,890.17/74,873.32 = 18,330.14/x
  3. Step 3: Cross multiply
    49,890.17x = 74,873.32 × 18,330.14
  4. Step 4: Simplify right side
    49,890.17x = 1,372,438,437.86
  5. Step 5: Solve for x
    x = 1,372,438,437.86/49,890.17
  6. Step 6: Final answer
    x = 27,509.20

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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.