Home / 39,727.70-54,824.58-21,823.07

Finding the Fourth Proportional to 39,727.70, 54,824.58 and 21,823.07

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Solution

The fourth proportional to 39,727.70, 54,824.58 and 21,823.07 is: 30,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.70 : 54,824.58 = 21,823.07 : x
  2. Step 2: Convert to fraction form
    39,727.70/54,824.58 = 21,823.07/x
  3. Step 3: Cross multiply
    39,727.70x = 54,824.58 × 21,823.07
  4. Step 4: Simplify right side
    39,727.70x = 1,196,440,647.06
  5. Step 5: Solve for x
    x = 1,196,440,647.06/39,727.70
  6. Step 6: Final answer
    x = 30,116.03

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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.