Home / 39,846.25-59,743.40-18,490.20

Finding the Fourth Proportional to 39,846.25, 59,743.40 and 18,490.20

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Solution

The fourth proportional to 39,846.25, 59,743.40 and 18,490.20 is: 27,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,846.25 : 59,743.40 = 18,490.20 : x
  2. Step 2: Convert to fraction form
    39,846.25/59,743.40 = 18,490.20/x
  3. Step 3: Cross multiply
    39,846.25x = 59,743.40 × 18,490.20
  4. Step 4: Simplify right side
    39,846.25x = 1,104,667,318.22
  5. Step 5: Solve for x
    x = 1,104,667,318.22/39,846.25
  6. Step 6: Final answer
    x = 27,723.24

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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.