Home / 39,281.44-58,926-18,499.36

Finding the Fourth Proportional to 39,281.44, 58,926 and 18,499.36

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Solution

The fourth proportional to 39,281.44, 58,926 and 18,499.36 is: 27,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,281.44 : 58,926 = 18,499.36 : x
  2. Step 2: Convert to fraction form
    39,281.44/58,926 = 18,499.36/x
  3. Step 3: Cross multiply
    39,281.44x = 58,926 × 18,499.36
  4. Step 4: Simplify right side
    39,281.44x = 1,090,093,287.36
  5. Step 5: Solve for x
    x = 1,090,093,287.36/39,281.44
  6. Step 6: Final answer
    x = 27,750.85

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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.