Home / 47,984.36-66,239.65-30,996.89

Finding the Fourth Proportional to 47,984.36, 66,239.65 and 30,996.89

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Solution

The fourth proportional to 47,984.36, 66,239.65 and 30,996.89 is: 42,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.36 : 66,239.65 = 30,996.89 : x
  2. Step 2: Convert to fraction form
    47,984.36/66,239.65 = 30,996.89/x
  3. Step 3: Cross multiply
    47,984.36x = 66,239.65 × 30,996.89
  4. Step 4: Simplify right side
    47,984.36x = 2,053,222,852.24
  5. Step 5: Solve for x
    x = 2,053,222,852.24/47,984.36
  6. Step 6: Final answer
    x = 42,789.42

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1.5x scale

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.