Home / 39,392.06-59,122.24-20,685.31

Finding the Fourth Proportional to 39,392.06, 59,122.24 and 20,685.31

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Solution

The fourth proportional to 39,392.06, 59,122.24 and 20,685.31 is: 31,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.06 : 59,122.24 = 20,685.31 : x
  2. Step 2: Convert to fraction form
    39,392.06/59,122.24 = 20,685.31/x
  3. Step 3: Cross multiply
    39,392.06x = 59,122.24 × 20,685.31
  4. Step 4: Simplify right side
    39,392.06x = 1,222,961,662.78
  5. Step 5: Solve for x
    x = 1,222,961,662.78/39,392.06
  6. Step 6: Final answer
    x = 31,045.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.