Home / 48,290.73-72,412.38-20,202.36

Finding the Fourth Proportional to 48,290.73, 72,412.38 and 20,202.36

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Solution

The fourth proportional to 48,290.73, 72,412.38 and 20,202.36 is: 30,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,290.73 : 72,412.38 = 20,202.36 : x
  2. Step 2: Convert to fraction form
    48,290.73/72,412.38 = 20,202.36/x
  3. Step 3: Cross multiply
    48,290.73x = 72,412.38 × 20,202.36
  4. Step 4: Simplify right side
    48,290.73x = 1,462,900,969.22
  5. Step 5: Solve for x
    x = 1,462,900,969.22/48,290.73
  6. Step 6: Final answer
    x = 30,293.62

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1.5x scale

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.