Home / 51,939.48-77,853.06-20,740.44

Finding the Fourth Proportional to 51,939.48, 77,853.06 and 20,740.44

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Solution

The fourth proportional to 51,939.48, 77,853.06 and 20,740.44 is: 31,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,939.48 : 77,853.06 = 20,740.44 : x
  2. Step 2: Convert to fraction form
    51,939.48/77,853.06 = 20,740.44/x
  3. Step 3: Cross multiply
    51,939.48x = 77,853.06 × 20,740.44
  4. Step 4: Simplify right side
    51,939.48x = 1,614,706,719.75
  5. Step 5: Solve for x
    x = 1,614,706,719.75/51,939.48
  6. Step 6: Final answer
    x = 31,088.23

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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.