Home / 39,575.60-54,614.41-21,426.51

Finding the Fourth Proportional to 39,575.60, 54,614.41 and 21,426.51

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Solution

The fourth proportional to 39,575.60, 54,614.41 and 21,426.51 is: 29,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.60 : 54,614.41 = 21,426.51 : x
  2. Step 2: Convert to fraction form
    39,575.60/54,614.41 = 21,426.51/x
  3. Step 3: Cross multiply
    39,575.60x = 54,614.41 × 21,426.51
  4. Step 4: Simplify right side
    39,575.60x = 1,170,196,353.25
  5. Step 5: Solve for x
    x = 1,170,196,353.25/39,575.60
  6. Step 6: Final answer
    x = 29,568.63

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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.