Home / 49,986.78-74,943.13-30,260.67

Finding the Fourth Proportional to 49,986.78, 74,943.13 and 30,260.67

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Solution

The fourth proportional to 49,986.78, 74,943.13 and 30,260.67 is: 45,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,986.78 : 74,943.13 = 30,260.67 : x
  2. Step 2: Convert to fraction form
    49,986.78/74,943.13 = 30,260.67/x
  3. Step 3: Cross multiply
    49,986.78x = 74,943.13 × 30,260.67
  4. Step 4: Simplify right side
    49,986.78x = 2,267,829,325.70
  5. Step 5: Solve for x
    x = 2,267,829,325.70/49,986.78
  6. Step 6: Final answer
    x = 45,368.58

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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.