Home / 51,985.01-77,977.52-20,409.96

Finding the Fourth Proportional to 51,985.01, 77,977.52 and 20,409.96

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Solution

The fourth proportional to 51,985.01, 77,977.52 and 20,409.96 is: 30,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.01 : 77,977.52 = 20,409.96 : x
  2. Step 2: Convert to fraction form
    51,985.01/77,977.52 = 20,409.96/x
  3. Step 3: Cross multiply
    51,985.01x = 77,977.52 × 20,409.96
  4. Step 4: Simplify right side
    51,985.01x = 1,591,517,962.05
  5. Step 5: Solve for x
    x = 1,591,517,962.05/51,985.01
  6. Step 6: Final answer
    x = 30,614.94

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.