Home / 51,333.23-70,839.11-28,672.54

Finding the Fourth Proportional to 51,333.23, 70,839.11 and 28,672.54

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Solution

The fourth proportional to 51,333.23, 70,839.11 and 28,672.54 is: 39,567.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,333.23 : 70,839.11 = 28,672.54 : x
  2. Step 2: Convert to fraction form
    51,333.23/70,839.11 = 28,672.54/x
  3. Step 3: Cross multiply
    51,333.23x = 70,839.11 × 28,672.54
  4. Step 4: Simplify right side
    51,333.23x = 2,031,137,213.99
  5. Step 5: Solve for x
    x = 2,031,137,213.99/51,333.23
  6. Step 6: Final answer
    x = 39,567.69

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1.5x scale

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.