Home / 51,578.03-77,393.70-21,987.92

Finding the Fourth Proportional to 51,578.03, 77,393.70 and 21,987.92

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Solution

The fourth proportional to 51,578.03, 77,393.70 and 21,987.92 is: 32,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,578.03 : 77,393.70 = 21,987.92 : x
  2. Step 2: Convert to fraction form
    51,578.03/77,393.70 = 21,987.92/x
  3. Step 3: Cross multiply
    51,578.03x = 77,393.70 × 21,987.92
  4. Step 4: Simplify right side
    51,578.03x = 1,701,726,677.59
  5. Step 5: Solve for x
    x = 1,701,726,677.59/51,578.03
  6. Step 6: Final answer
    x = 32,993.25

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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.