Home / 51,052.68-70,450.56-28,390.50

Finding the Fourth Proportional to 51,052.68, 70,450.56 and 28,390.50

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Solution

The fourth proportional to 51,052.68, 70,450.56 and 28,390.50 is: 39,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,052.68 : 70,450.56 = 28,390.50 : x
  2. Step 2: Convert to fraction form
    51,052.68/70,450.56 = 28,390.50/x
  3. Step 3: Cross multiply
    51,052.68x = 70,450.56 × 28,390.50
  4. Step 4: Simplify right side
    51,052.68x = 2,000,126,623.68
  5. Step 5: Solve for x
    x = 2,000,126,623.68/51,052.68
  6. Step 6: Final answer
    x = 39,177.70

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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.