Home / 42,670.14-64,044.84-21,625.02

Finding the Fourth Proportional to 42,670.14, 64,044.84 and 21,625.02

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Solution

The fourth proportional to 42,670.14, 64,044.84 and 21,625.02 is: 32,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670.14 : 64,044.84 = 21,625.02 : x
  2. Step 2: Convert to fraction form
    42,670.14/64,044.84 = 21,625.02/x
  3. Step 3: Cross multiply
    42,670.14x = 64,044.84 × 21,625.02
  4. Step 4: Simplify right side
    42,670.14x = 1,384,970,945.90
  5. Step 5: Solve for x
    x = 1,384,970,945.90/42,670.14
  6. Step 6: Final answer
    x = 32,457.61

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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.