Home / 39,122.42-53,979.90-26,399.22

Finding the Fourth Proportional to 39,122.42, 53,979.90 and 26,399.22

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Solution

The fourth proportional to 39,122.42, 53,979.90 and 26,399.22 is: 36,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,122.42 : 53,979.90 = 26,399.22 : x
  2. Step 2: Convert to fraction form
    39,122.42/53,979.90 = 26,399.22/x
  3. Step 3: Cross multiply
    39,122.42x = 53,979.90 × 26,399.22
  4. Step 4: Simplify right side
    39,122.42x = 1,425,027,255.68
  5. Step 5: Solve for x
    x = 1,425,027,255.68/39,122.42
  6. Step 6: Final answer
    x = 36,424.82

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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.