Home / 39,140.20-54,018.66-26,569

Finding the Fourth Proportional to 39,140.20, 54,018.66 and 26,569

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Solution

The fourth proportional to 39,140.20, 54,018.66 and 26,569 is: 36,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140.20 : 54,018.66 = 26,569 : x
  2. Step 2: Convert to fraction form
    39,140.20/54,018.66 = 26,569/x
  3. Step 3: Cross multiply
    39,140.20x = 54,018.66 × 26,569
  4. Step 4: Simplify right side
    39,140.20x = 1,435,221,777.54
  5. Step 5: Solve for x
    x = 1,435,221,777.54/39,140.20
  6. Step 6: Final answer
    x = 36,668.74

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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.