Home / 39,669.40-59,443.26-27,145

Finding the Fourth Proportional to 39,669.40, 59,443.26 and 27,145

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Solution

The fourth proportional to 39,669.40, 59,443.26 and 27,145 is: 40,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.40 : 59,443.26 = 27,145 : x
  2. Step 2: Convert to fraction form
    39,669.40/59,443.26 = 27,145/x
  3. Step 3: Cross multiply
    39,669.40x = 59,443.26 × 27,145
  4. Step 4: Simplify right side
    39,669.40x = 1,613,587,292.70
  5. Step 5: Solve for x
    x = 1,613,587,292.70/39,669.40
  6. Step 6: Final answer
    x = 40,675.87

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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.