Home / 51,436.15-77,187.02-21,853.98

Finding the Fourth Proportional to 51,436.15, 77,187.02 and 21,853.98

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Solution

The fourth proportional to 51,436.15, 77,187.02 and 21,853.98 is: 32,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,436.15 : 77,187.02 = 21,853.98 : x
  2. Step 2: Convert to fraction form
    51,436.15/77,187.02 = 21,853.98/x
  3. Step 3: Cross multiply
    51,436.15x = 77,187.02 × 21,853.98
  4. Step 4: Simplify right side
    51,436.15x = 1,686,843,591.34
  5. Step 5: Solve for x
    x = 1,686,843,591.34/51,436.15
  6. Step 6: Final answer
    x = 32,794.90

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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.