Home / 51,578.02-77,371.15-21,996.12

Finding the Fourth Proportional to 51,578.02, 77,371.15 and 21,996.12

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Solution

The fourth proportional to 51,578.02, 77,371.15 and 21,996.12 is: 32,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,578.02 : 77,371.15 = 21,996.12 : x
  2. Step 2: Convert to fraction form
    51,578.02/77,371.15 = 21,996.12/x
  3. Step 3: Cross multiply
    51,578.02x = 77,371.15 × 21,996.12
  4. Step 4: Simplify right side
    51,578.02x = 1,701,865,099.94
  5. Step 5: Solve for x
    x = 1,701,865,099.94/51,578.02
  6. Step 6: Final answer
    x = 32,995.94

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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.