Home / 51,368.08-77,063.94-21,787.06

Finding the Fourth Proportional to 51,368.08, 77,063.94 and 21,787.06

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Solution

The fourth proportional to 51,368.08, 77,063.94 and 21,787.06 is: 32,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,368.08 : 77,063.94 = 21,787.06 : x
  2. Step 2: Convert to fraction form
    51,368.08/77,063.94 = 21,787.06/x
  3. Step 3: Cross multiply
    51,368.08x = 77,063.94 × 21,787.06
  4. Step 4: Simplify right side
    51,368.08x = 1,678,996,684.62
  5. Step 5: Solve for x
    x = 1,678,996,684.62/51,368.08
  6. Step 6: Final answer
    x = 32,685.60

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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.