Home / 51,656.94-77,496.35-18,387.20

Finding the Fourth Proportional to 51,656.94, 77,496.35 and 18,387.20

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Solution

The fourth proportional to 51,656.94, 77,496.35 and 18,387.20 is: 27,584.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,656.94 : 77,496.35 = 18,387.20 : x
  2. Step 2: Convert to fraction form
    51,656.94/77,496.35 = 18,387.20/x
  3. Step 3: Cross multiply
    51,656.94x = 77,496.35 × 18,387.20
  4. Step 4: Simplify right side
    51,656.94x = 1,424,940,988.52
  5. Step 5: Solve for x
    x = 1,424,940,988.52/51,656.94
  6. Step 6: Final answer
    x = 27,584.70

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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.