Home / 34,724-47,920.06-21,287.52

Finding the Fourth Proportional to 34,724, 47,920.06 and 21,287.52

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Solution

The fourth proportional to 34,724, 47,920.06 and 21,287.52 is: 29,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,724 : 47,920.06 = 21,287.52 : x
  2. Step 2: Convert to fraction form
    34,724/47,920.06 = 21,287.52/x
  3. Step 3: Cross multiply
    34,724x = 47,920.06 × 21,287.52
  4. Step 4: Simplify right side
    34,724x = 1,020,099,235.65
  5. Step 5: Solve for x
    x = 1,020,099,235.65/34,724
  6. Step 6: Final answer
    x = 29,377.35

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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.