Home / 51,764.24-77,648.08-14,321.18

Finding the Fourth Proportional to 51,764.24, 77,648.08 and 14,321.18

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Solution

The fourth proportional to 51,764.24, 77,648.08 and 14,321.18 is: 21,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,764.24 : 77,648.08 = 14,321.18 : x
  2. Step 2: Convert to fraction form
    51,764.24/77,648.08 = 14,321.18/x
  3. Step 3: Cross multiply
    51,764.24x = 77,648.08 × 14,321.18
  4. Step 4: Simplify right side
    51,764.24x = 1,112,011,742.09
  5. Step 5: Solve for x
    x = 1,112,011,742.09/51,764.24
  6. Step 6: Final answer
    x = 21,482.24

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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.