Home / 51,756.71-77,634.93-16,220.75

Finding the Fourth Proportional to 51,756.71, 77,634.93 and 16,220.75

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Solution

The fourth proportional to 51,756.71, 77,634.93 and 16,220.75 is: 24,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.71 : 77,634.93 = 16,220.75 : x
  2. Step 2: Convert to fraction form
    51,756.71/77,634.93 = 16,220.75/x
  3. Step 3: Cross multiply
    51,756.71x = 77,634.93 × 16,220.75
  4. Step 4: Simplify right side
    51,756.71x = 1,259,296,402.62
  5. Step 5: Solve for x
    x = 1,259,296,402.62/51,756.71
  6. Step 6: Final answer
    x = 24,331.08

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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.