Home / 52,148.79-71,964.18-28,274.85

Finding the Fourth Proportional to 52,148.79, 71,964.18 and 28,274.85

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Solution

The fourth proportional to 52,148.79, 71,964.18 and 28,274.85 is: 39,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148.79 : 71,964.18 = 28,274.85 : x
  2. Step 2: Convert to fraction form
    52,148.79/71,964.18 = 28,274.85/x
  3. Step 3: Cross multiply
    52,148.79x = 71,964.18 × 28,274.85
  4. Step 4: Simplify right side
    52,148.79x = 2,034,776,394.87
  5. Step 5: Solve for x
    x = 2,034,776,394.87/52,148.79
  6. Step 6: Final answer
    x = 39,018.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.