Home / 51,905-77,867.18-16,840.08

Finding the Fourth Proportional to 51,905, 77,867.18 and 16,840.08

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Solution

The fourth proportional to 51,905, 77,867.18 and 16,840.08 is: 25,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905 : 77,867.18 = 16,840.08 : x
  2. Step 2: Convert to fraction form
    51,905/77,867.18 = 16,840.08/x
  3. Step 3: Cross multiply
    51,905x = 77,867.18 × 16,840.08
  4. Step 4: Simplify right side
    51,905x = 1,311,289,540.57
  5. Step 5: Solve for x
    x = 1,311,289,540.57/51,905
  6. Step 6: Final answer
    x = 25,263.26

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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.