Home / 71,001.98-97,982.62-38,736.60

Finding the Fourth Proportional to 71,001.98, 97,982.62 and 38,736.60

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Solution

The fourth proportional to 71,001.98, 97,982.62 and 38,736.60 is: 53,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001.98 : 97,982.62 = 38,736.60 : x
  2. Step 2: Convert to fraction form
    71,001.98/97,982.62 = 38,736.60/x
  3. Step 3: Cross multiply
    71,001.98x = 97,982.62 × 38,736.60
  4. Step 4: Simplify right side
    71,001.98x = 3,795,513,557.89
  5. Step 5: Solve for x
    x = 3,795,513,557.89/71,001.98
  6. Step 6: Final answer
    x = 53,456.45

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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.