Home / 39,089.96-58,633.98-11,388.20

Finding the Fourth Proportional to 39,089.96, 58,633.98 and 11,388.20

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Solution

The fourth proportional to 39,089.96, 58,633.98 and 11,388.20 is: 17,082.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.96 : 58,633.98 = 11,388.20 : x
  2. Step 2: Convert to fraction form
    39,089.96/58,633.98 = 11,388.20/x
  3. Step 3: Cross multiply
    39,089.96x = 58,633.98 × 11,388.20
  4. Step 4: Simplify right side
    39,089.96x = 667,735,491.04
  5. Step 5: Solve for x
    x = 667,735,491.04/39,089.96
  6. Step 6: Final answer
    x = 17,082.02

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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.