Home / 39,848.54-54,990.98-21,943.50

Finding the Fourth Proportional to 39,848.54, 54,990.98 and 21,943.50

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Solution

The fourth proportional to 39,848.54, 54,990.98 and 21,943.50 is: 30,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.54 : 54,990.98 = 21,943.50 : x
  2. Step 2: Convert to fraction form
    39,848.54/54,990.98 = 21,943.50/x
  3. Step 3: Cross multiply
    39,848.54x = 54,990.98 × 21,943.50
  4. Step 4: Simplify right side
    39,848.54x = 1,206,694,459.91
  5. Step 5: Solve for x
    x = 1,206,694,459.91/39,848.54
  6. Step 6: Final answer
    x = 30,282.03

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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.