Home / 51,277.70-76,924.68-21,695.75

Finding the Fourth Proportional to 51,277.70, 76,924.68 and 21,695.75

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Solution

The fourth proportional to 51,277.70, 76,924.68 and 21,695.75 is: 32,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,277.70 : 76,924.68 = 21,695.75 : x
  2. Step 2: Convert to fraction form
    51,277.70/76,924.68 = 21,695.75/x
  3. Step 3: Cross multiply
    51,277.70x = 76,924.68 × 21,695.75
  4. Step 4: Simplify right side
    51,277.70x = 1,668,938,517.63
  5. Step 5: Solve for x
    x = 1,668,938,517.63/51,277.70
  6. Step 6: Final answer
    x = 32,547.07

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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.