Home / 39,294.00-54,226.94-21,390.20

Finding the Fourth Proportional to 39,294.00, 54,226.94 and 21,390.20

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Solution

The fourth proportional to 39,294.00, 54,226.94 and 21,390.20 is: 29,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,294.00 : 54,226.94 = 21,390.20 : x
  2. Step 2: Convert to fraction form
    39,294.00/54,226.94 = 21,390.20/x
  3. Step 3: Cross multiply
    39,294.00x = 54,226.94 × 21,390.20
  4. Step 4: Simplify right side
    39,294.00x = 1,159,924,865.01
  5. Step 5: Solve for x
    x = 1,159,924,865.01/39,294.00
  6. Step 6: Final answer
    x = 29,519.14

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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.