Home / 39,664.91-54,741.04-21,763.42

Finding the Fourth Proportional to 39,664.91, 54,741.04 and 21,763.42

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Solution

The fourth proportional to 39,664.91, 54,741.04 and 21,763.42 is: 30,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,664.91 : 54,741.04 = 21,763.42 : x
  2. Step 2: Convert to fraction form
    39,664.91/54,741.04 = 21,763.42/x
  3. Step 3: Cross multiply
    39,664.91x = 54,741.04 × 21,763.42
  4. Step 4: Simplify right side
    39,664.91x = 1,191,352,053.50
  5. Step 5: Solve for x
    x = 1,191,352,053.50/39,664.91
  6. Step 6: Final answer
    x = 30,035.41

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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.