Home / 51,701.71-77,528.34-21,709.54

Finding the Fourth Proportional to 51,701.71, 77,528.34 and 21,709.54

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Solution

The fourth proportional to 51,701.71, 77,528.34 and 21,709.54 is: 32,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,701.71 : 77,528.34 = 21,709.54 : x
  2. Step 2: Convert to fraction form
    51,701.71/77,528.34 = 21,709.54/x
  3. Step 3: Cross multiply
    51,701.71x = 77,528.34 × 21,709.54
  4. Step 4: Simplify right side
    51,701.71x = 1,683,104,943.85
  5. Step 5: Solve for x
    x = 1,683,104,943.85/51,701.71
  6. Step 6: Final answer
    x = 32,554.15

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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.