Home / 51,437.23-77,169.71-21,441.50

Finding the Fourth Proportional to 51,437.23, 77,169.71 and 21,441.50

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Solution

The fourth proportional to 51,437.23, 77,169.71 and 21,441.50 is: 32,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,437.23 : 77,169.71 = 21,441.50 : x
  2. Step 2: Convert to fraction form
    51,437.23/77,169.71 = 21,441.50/x
  3. Step 3: Cross multiply
    51,437.23x = 77,169.71 × 21,441.50
  4. Step 4: Simplify right side
    51,437.23x = 1,654,633,843.91
  5. Step 5: Solve for x
    x = 1,654,633,843.91/51,437.23
  6. Step 6: Final answer
    x = 32,168.02

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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.