Home / 64,267.47-96,441.12-30,990.96

Finding the Fourth Proportional to 64,267.47, 96,441.12 and 30,990.96

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Solution

The fourth proportional to 64,267.47, 96,441.12 and 30,990.96 is: 46,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,267.47 : 96,441.12 = 30,990.96 : x
  2. Step 2: Convert to fraction form
    64,267.47/96,441.12 = 30,990.96/x
  3. Step 3: Cross multiply
    64,267.47x = 96,441.12 × 30,990.96
  4. Step 4: Simplify right side
    64,267.47x = 2,988,802,892.28
  5. Step 5: Solve for x
    x = 2,988,802,892.28/64,267.47
  6. Step 6: Final answer
    x = 46,505.69

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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.