Home / 49,980.78-74,934.14-30,254.67

Finding the Fourth Proportional to 49,980.78, 74,934.14 and 30,254.67

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Solution

The fourth proportional to 49,980.78, 74,934.14 and 30,254.67 is: 45,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,980.78 : 74,934.14 = 30,254.67 : x
  2. Step 2: Convert to fraction form
    49,980.78/74,934.14 = 30,254.67/x
  3. Step 3: Cross multiply
    49,980.78x = 74,934.14 × 30,254.67
  4. Step 4: Simplify right side
    49,980.78x = 2,267,107,526.16
  5. Step 5: Solve for x
    x = 2,267,107,526.16/49,980.78
  6. Step 6: Final answer
    x = 45,359.59

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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.