Home / 64,531.11-96,786.93-21,837.63

Finding the Fourth Proportional to 64,531.11, 96,786.93 and 21,837.63

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Solution

The fourth proportional to 64,531.11, 96,786.93 and 21,837.63 is: 32,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,531.11 : 96,786.93 = 21,837.63 : x
  2. Step 2: Convert to fraction form
    64,531.11/96,786.93 = 21,837.63/x
  3. Step 3: Cross multiply
    64,531.11x = 96,786.93 × 21,837.63
  4. Step 4: Simplify right side
    64,531.11x = 2,113,597,166.18
  5. Step 5: Solve for x
    x = 2,113,597,166.18/64,531.11
  6. Step 6: Final answer
    x = 32,753.15

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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.