Home / 47,007.12-64,816.68-29,988.60

Finding the Fourth Proportional to 47,007.12, 64,816.68 and 29,988.60

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Solution

The fourth proportional to 47,007.12, 64,816.68 and 29,988.60 is: 41,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,007.12 : 64,816.68 = 29,988.60 : x
  2. Step 2: Convert to fraction form
    47,007.12/64,816.68 = 29,988.60/x
  3. Step 3: Cross multiply
    47,007.12x = 64,816.68 × 29,988.60
  4. Step 4: Simplify right side
    47,007.12x = 1,943,761,489.85
  5. Step 5: Solve for x
    x = 1,943,761,489.85/47,007.12
  6. Step 6: Final answer
    x = 41,350.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.