Home / 39,454.04-54,446.49-21,548.99

Finding the Fourth Proportional to 39,454.04, 54,446.49 and 21,548.99

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Solution

The fourth proportional to 39,454.04, 54,446.49 and 21,548.99 is: 29,737.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,454.04 : 54,446.49 = 21,548.99 : x
  2. Step 2: Convert to fraction form
    39,454.04/54,446.49 = 21,548.99/x
  3. Step 3: Cross multiply
    39,454.04x = 54,446.49 × 21,548.99
  4. Step 4: Simplify right side
    39,454.04x = 1,173,266,596.31
  5. Step 5: Solve for x
    x = 1,173,266,596.31/39,454.04
  6. Step 6: Final answer
    x = 29,737.56

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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.