Home / 51,918.80-77,897.40-49,998.80

Finding the Fourth Proportional to 51,918.80, 77,897.40 and 49,998.80

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Solution

The fourth proportional to 51,918.80, 77,897.40 and 49,998.80 is: 75,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918.80 : 77,897.40 = 49,998.80 : x
  2. Step 2: Convert to fraction form
    51,918.80/77,897.40 = 49,998.80/x
  3. Step 3: Cross multiply
    51,918.80x = 77,897.40 × 49,998.80
  4. Step 4: Simplify right side
    51,918.80x = 3,894,776,523.12
  5. Step 5: Solve for x
    x = 3,894,776,523.12/51,918.80
  6. Step 6: Final answer
    x = 75,016.69

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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.