Home / 39,574.96-54,614.36-21,669.88

Finding the Fourth Proportional to 39,574.96, 54,614.36 and 21,669.88

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Solution

The fourth proportional to 39,574.96, 54,614.36 and 21,669.88 is: 29,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.96 : 54,614.36 = 21,669.88 : x
  2. Step 2: Convert to fraction form
    39,574.96/54,614.36 = 21,669.88/x
  3. Step 3: Cross multiply
    39,574.96x = 54,614.36 × 21,669.88
  4. Step 4: Simplify right side
    39,574.96x = 1,183,486,627.48
  5. Step 5: Solve for x
    x = 1,183,486,627.48/39,574.96
  6. Step 6: Final answer
    x = 29,904.94

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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.