Home / 52,278.14-72,144.91-28,406.36

Finding the Fourth Proportional to 52,278.14, 72,144.91 and 28,406.36

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Solution

The fourth proportional to 52,278.14, 72,144.91 and 28,406.36 is: 39,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.14 : 72,144.91 = 28,406.36 : x
  2. Step 2: Convert to fraction form
    52,278.14/72,144.91 = 28,406.36/x
  3. Step 3: Cross multiply
    52,278.14x = 72,144.91 × 28,406.36
  4. Step 4: Simplify right side
    52,278.14x = 2,049,374,501.50
  5. Step 5: Solve for x
    x = 2,049,374,501.50/52,278.14
  6. Step 6: Final answer
    x = 39,201.36

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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.