Home / 51,901.94-77,886.02-18,621.27

Finding the Fourth Proportional to 51,901.94, 77,886.02 and 18,621.27

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Solution

The fourth proportional to 51,901.94, 77,886.02 and 18,621.27 is: 27,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,901.94 : 77,886.02 = 18,621.27 : x
  2. Step 2: Convert to fraction form
    51,901.94/77,886.02 = 18,621.27/x
  3. Step 3: Cross multiply
    51,901.94x = 77,886.02 × 18,621.27
  4. Step 4: Simplify right side
    51,901.94x = 1,450,336,125.11
  5. Step 5: Solve for x
    x = 1,450,336,125.11/51,901.94
  6. Step 6: Final answer
    x = 27,943.77

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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.