Home / 51,988.05-77,982.08-51,550.65

Finding the Fourth Proportional to 51,988.05, 77,982.08 and 51,550.65

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Solution

The fourth proportional to 51,988.05, 77,982.08 and 51,550.65 is: 77,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.05 : 77,982.08 = 51,550.65 : x
  2. Step 2: Convert to fraction form
    51,988.05/77,982.08 = 51,550.65/x
  3. Step 3: Cross multiply
    51,988.05x = 77,982.08 × 51,550.65
  4. Step 4: Simplify right side
    51,988.05x = 4,020,026,654.60
  5. Step 5: Solve for x
    x = 4,020,026,654.60/51,988.05
  6. Step 6: Final answer
    x = 77,325.98

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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.