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Finding the Fourth Proportional to 64,649.58, 96,943.13 and 22,528.67

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Solution

The fourth proportional to 64,649.58, 96,943.13 and 22,528.67 is: 33,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,649.58 : 96,943.13 = 22,528.67 : x
  2. Step 2: Convert to fraction form
    64,649.58/96,943.13 = 22,528.67/x
  3. Step 3: Cross multiply
    64,649.58x = 96,943.13 × 22,528.67
  4. Step 4: Simplify right side
    64,649.58x = 2,183,999,271.66
  5. Step 5: Solve for x
    x = 2,183,999,271.66/64,649.58
  6. Step 6: Final answer
    x = 33,782.11

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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.