Home / 51,561.68-77,342.55-14,122.07

Finding the Fourth Proportional to 51,561.68, 77,342.55 and 14,122.07

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Solution

The fourth proportional to 51,561.68, 77,342.55 and 14,122.07 is: 21,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.68 : 77,342.55 = 14,122.07 : x
  2. Step 2: Convert to fraction form
    51,561.68/77,342.55 = 14,122.07/x
  3. Step 3: Cross multiply
    51,561.68x = 77,342.55 × 14,122.07
  4. Step 4: Simplify right side
    51,561.68x = 1,092,236,905.08
  5. Step 5: Solve for x
    x = 1,092,236,905.08/51,561.68
  6. Step 6: Final answer
    x = 21,183.11

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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.