Home / 51,017.71-76,527.34-19,429.52

Finding the Fourth Proportional to 51,017.71, 76,527.34 and 19,429.52

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Solution

The fourth proportional to 51,017.71, 76,527.34 and 19,429.52 is: 29,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,017.71 : 76,527.34 = 19,429.52 : x
  2. Step 2: Convert to fraction form
    51,017.71/76,527.34 = 19,429.52/x
  3. Step 3: Cross multiply
    51,017.71x = 76,527.34 × 19,429.52
  4. Step 4: Simplify right side
    51,017.71x = 1,486,889,385.93
  5. Step 5: Solve for x
    x = 1,486,889,385.93/51,017.71
  6. Step 6: Final answer
    x = 29,144.57

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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.