Home / 34,665.51-47,838.78-21,049.59

Finding the Fourth Proportional to 34,665.51, 47,838.78 and 21,049.59

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Solution

The fourth proportional to 34,665.51, 47,838.78 and 21,049.59 is: 29,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,665.51 : 47,838.78 = 21,049.59 : x
  2. Step 2: Convert to fraction form
    34,665.51/47,838.78 = 21,049.59/x
  3. Step 3: Cross multiply
    34,665.51x = 47,838.78 × 21,049.59
  4. Step 4: Simplify right side
    34,665.51x = 1,006,986,705.10
  5. Step 5: Solve for x
    x = 1,006,986,705.10/34,665.51
  6. Step 6: Final answer
    x = 29,048.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.