Home / 64,340.15-96,505.56-21,645.86

Finding the Fourth Proportional to 64,340.15, 96,505.56 and 21,645.86

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Solution

The fourth proportional to 64,340.15, 96,505.56 and 21,645.86 is: 32,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,340.15 : 96,505.56 = 21,645.86 : x
  2. Step 2: Convert to fraction form
    64,340.15/96,505.56 = 21,645.86/x
  3. Step 3: Cross multiply
    64,340.15x = 96,505.56 × 21,645.86
  4. Step 4: Simplify right side
    64,340.15x = 2,088,945,358.45
  5. Step 5: Solve for x
    x = 2,088,945,358.45/64,340.15
  6. Step 6: Final answer
    x = 32,467.22

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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.