Home / 39,353.42-54,306.10-21,448.02

Finding the Fourth Proportional to 39,353.42, 54,306.10 and 21,448.02

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Solution

The fourth proportional to 39,353.42, 54,306.10 and 21,448.02 is: 29,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.42 : 54,306.10 = 21,448.02 : x
  2. Step 2: Convert to fraction form
    39,353.42/54,306.10 = 21,448.02/x
  3. Step 3: Cross multiply
    39,353.42x = 54,306.10 × 21,448.02
  4. Step 4: Simplify right side
    39,353.42x = 1,164,758,318.92
  5. Step 5: Solve for x
    x = 1,164,758,318.92/39,353.42
  6. Step 6: Final answer
    x = 29,597.38

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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.