Home / 52,849.20-72,930.36-28,975.44

Finding the Fourth Proportional to 52,849.20, 72,930.36 and 28,975.44

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Solution

The fourth proportional to 52,849.20, 72,930.36 and 28,975.44 is: 39,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,849.20 : 72,930.36 = 28,975.44 : x
  2. Step 2: Convert to fraction form
    52,849.20/72,930.36 = 28,975.44/x
  3. Step 3: Cross multiply
    52,849.20x = 72,930.36 × 28,975.44
  4. Step 4: Simplify right side
    52,849.20x = 2,113,189,270.36
  5. Step 5: Solve for x
    x = 2,113,189,270.36/52,849.20
  6. Step 6: Final answer
    x = 39,985.27

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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.