Home / 51,895.20-77,842.80-14,455.20

Finding the Fourth Proportional to 51,895.20, 77,842.80 and 14,455.20

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Solution

The fourth proportional to 51,895.20, 77,842.80 and 14,455.20 is: 21,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,895.20 : 77,842.80 = 14,455.20 : x
  2. Step 2: Convert to fraction form
    51,895.20/77,842.80 = 14,455.20/x
  3. Step 3: Cross multiply
    51,895.20x = 77,842.80 × 14,455.20
  4. Step 4: Simplify right side
    51,895.20x = 1,125,233,242.56
  5. Step 5: Solve for x
    x = 1,125,233,242.56/51,895.20
  6. Step 6: Final answer
    x = 21,682.80

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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.