Home / 56,801.52-78,324.57-38,664

Finding the Fourth Proportional to 56,801.52, 78,324.57 and 38,664

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Solution

The fourth proportional to 56,801.52, 78,324.57 and 38,664 is: 53,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,801.52 : 78,324.57 = 38,664 : x
  2. Step 2: Convert to fraction form
    56,801.52/78,324.57 = 38,664/x
  3. Step 3: Cross multiply
    56,801.52x = 78,324.57 × 38,664
  4. Step 4: Simplify right side
    56,801.52x = 3,028,341,174.48
  5. Step 5: Solve for x
    x = 3,028,341,174.48/56,801.52
  6. Step 6: Final answer
    x = 53,314.44

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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.