Home / 51,751.24-77,631.74-14,309.80

Finding the Fourth Proportional to 51,751.24, 77,631.74 and 14,309.80

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Solution

The fourth proportional to 51,751.24, 77,631.74 and 14,309.80 is: 21,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,751.24 : 77,631.74 = 14,309.80 : x
  2. Step 2: Convert to fraction form
    51,751.24/77,631.74 = 14,309.80/x
  3. Step 3: Cross multiply
    51,751.24x = 77,631.74 × 14,309.80
  4. Step 4: Simplify right side
    51,751.24x = 1,110,894,673.05
  5. Step 5: Solve for x
    x = 1,110,894,673.05/51,751.24
  6. Step 6: Final answer
    x = 21,466.05

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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.