Home / 64,359.15-96,534.06-21,664.86

Finding the Fourth Proportional to 64,359.15, 96,534.06 and 21,664.86

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Solution

The fourth proportional to 64,359.15, 96,534.06 and 21,664.86 is: 32,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,359.15 : 96,534.06 = 21,664.86 : x
  2. Step 2: Convert to fraction form
    64,359.15/96,534.06 = 21,664.86/x
  3. Step 3: Cross multiply
    64,359.15x = 96,534.06 × 21,664.86
  4. Step 4: Simplify right side
    64,359.15x = 2,091,396,895.13
  5. Step 5: Solve for x
    x = 2,091,396,895.13/64,359.15
  6. Step 6: Final answer
    x = 32,495.72

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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.