Home / 39,739.76-54,855.28-26,315.38

Finding the Fourth Proportional to 39,739.76, 54,855.28 and 26,315.38

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Solution

The fourth proportional to 39,739.76, 54,855.28 and 26,315.38 is: 36,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.76 : 54,855.28 = 26,315.38 : x
  2. Step 2: Convert to fraction form
    39,739.76/54,855.28 = 26,315.38/x
  3. Step 3: Cross multiply
    39,739.76x = 54,855.28 × 26,315.38
  4. Step 4: Simplify right side
    39,739.76x = 1,443,537,491.65
  5. Step 5: Solve for x
    x = 1,443,537,491.65/39,739.76
  6. Step 6: Final answer
    x = 36,324.76

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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.