Home / 39,206.62-54,104.47-21,301.91

Finding the Fourth Proportional to 39,206.62, 54,104.47 and 21,301.91

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Solution

The fourth proportional to 39,206.62, 54,104.47 and 21,301.91 is: 29,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,206.62 : 54,104.47 = 21,301.91 : x
  2. Step 2: Convert to fraction form
    39,206.62/54,104.47 = 21,301.91/x
  3. Step 3: Cross multiply
    39,206.62x = 54,104.47 × 21,301.91
  4. Step 4: Simplify right side
    39,206.62x = 1,152,528,226.76
  5. Step 5: Solve for x
    x = 1,152,528,226.76/39,206.62
  6. Step 6: Final answer
    x = 29,396.27

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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.