Home / 51,687.69-77,544.90-21,685.83

Finding the Fourth Proportional to 51,687.69, 77,544.90 and 21,685.83

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Solution

The fourth proportional to 51,687.69, 77,544.90 and 21,685.83 is: 32,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,687.69 : 77,544.90 = 21,685.83 : x
  2. Step 2: Convert to fraction form
    51,687.69/77,544.90 = 21,685.83/x
  3. Step 3: Cross multiply
    51,687.69x = 77,544.90 × 21,685.83
  4. Step 4: Simplify right side
    51,687.69x = 1,681,625,518.77
  5. Step 5: Solve for x
    x = 1,681,625,518.77/51,687.69
  6. Step 6: Final answer
    x = 32,534.35

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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.