Home / 52,318.05-78,399.89-30,948.67

Finding the Fourth Proportional to 52,318.05, 78,399.89 and 30,948.67

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Solution

The fourth proportional to 52,318.05, 78,399.89 and 30,948.67 is: 46,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,318.05 : 78,399.89 = 30,948.67 : x
  2. Step 2: Convert to fraction form
    52,318.05/78,399.89 = 30,948.67/x
  3. Step 3: Cross multiply
    52,318.05x = 78,399.89 × 30,948.67
  4. Step 4: Simplify right side
    52,318.05x = 2,426,372,229.19
  5. Step 5: Solve for x
    x = 2,426,372,229.19/52,318.05
  6. Step 6: Final answer
    x = 46,377.34

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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.