Home / 51,986.90-77,966.52-14,544.66

Finding the Fourth Proportional to 51,986.90, 77,966.52 and 14,544.66

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Solution

The fourth proportional to 51,986.90, 77,966.52 and 14,544.66 is: 21,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.90 : 77,966.52 = 14,544.66 : x
  2. Step 2: Convert to fraction form
    51,986.90/77,966.52 = 14,544.66/x
  3. Step 3: Cross multiply
    51,986.90x = 77,966.52 × 14,544.66
  4. Step 4: Simplify right side
    51,986.90x = 1,133,996,524.78
  5. Step 5: Solve for x
    x = 1,133,996,524.78/51,986.90
  6. Step 6: Final answer
    x = 21,813.12

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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.