Home / 51,569.30-77,376-21,590.54

Finding the Fourth Proportional to 51,569.30, 77,376 and 21,590.54

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Solution

The fourth proportional to 51,569.30, 77,376 and 21,590.54 is: 32,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,569.30 : 77,376 = 21,590.54 : x
  2. Step 2: Convert to fraction form
    51,569.30/77,376 = 21,590.54/x
  3. Step 3: Cross multiply
    51,569.30x = 77,376 × 21,590.54
  4. Step 4: Simplify right side
    51,569.30x = 1,670,589,623.04
  5. Step 5: Solve for x
    x = 1,670,589,623.04/51,569.30
  6. Step 6: Final answer
    x = 32,395.04

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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.