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Finding the Fourth Proportional to 64,006.78, 96,010.20 and 21,887.26

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Solution

The fourth proportional to 64,006.78, 96,010.20 and 21,887.26 is: 32,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,006.78 : 96,010.20 = 21,887.26 : x
  2. Step 2: Convert to fraction form
    64,006.78/96,010.20 = 21,887.26/x
  3. Step 3: Cross multiply
    64,006.78x = 96,010.20 × 21,887.26
  4. Step 4: Simplify right side
    64,006.78x = 2,101,400,210.05
  5. Step 5: Solve for x
    x = 2,101,400,210.05/64,006.78
  6. Step 6: Final answer
    x = 32,830.90

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1.5x scale

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.