Home / 34,136.39-51,227.81-20,948.51

Finding the Fourth Proportional to 34,136.39, 51,227.81 and 20,948.51

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Solution

The fourth proportional to 34,136.39, 51,227.81 and 20,948.51 is: 31,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.39 : 51,227.81 = 20,948.51 : x
  2. Step 2: Convert to fraction form
    34,136.39/51,227.81 = 20,948.51/x
  3. Step 3: Cross multiply
    34,136.39x = 51,227.81 × 20,948.51
  4. Step 4: Simplify right side
    34,136.39x = 1,073,145,929.18
  5. Step 5: Solve for x
    x = 1,073,145,929.18/34,136.39
  6. Step 6: Final answer
    x = 31,437.01

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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.