Home / 51,144.04-70,578.74-28,788.52

Finding the Fourth Proportional to 51,144.04, 70,578.74 and 28,788.52

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Solution

The fourth proportional to 51,144.04, 70,578.74 and 28,788.52 is: 39,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144.04 : 70,578.74 = 28,788.52 : x
  2. Step 2: Convert to fraction form
    51,144.04/70,578.74 = 28,788.52/x
  3. Step 3: Cross multiply
    51,144.04x = 70,578.74 × 28,788.52
  4. Step 4: Simplify right side
    51,144.04x = 2,031,857,468.06
  5. Step 5: Solve for x
    x = 2,031,857,468.06/51,144.04
  6. Step 6: Final answer
    x = 39,728.14

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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.