Home / 39,353.47-54,306.21-21,448.09

Finding the Fourth Proportional to 39,353.47, 54,306.21 and 21,448.09

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Solution

The fourth proportional to 39,353.47, 54,306.21 and 21,448.09 is: 29,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.47 : 54,306.21 = 21,448.09 : x
  2. Step 2: Convert to fraction form
    39,353.47/54,306.21 = 21,448.09/x
  3. Step 3: Cross multiply
    39,353.47x = 54,306.21 × 21,448.09
  4. Step 4: Simplify right side
    39,353.47x = 1,164,764,479.64
  5. Step 5: Solve for x
    x = 1,164,764,479.64/39,353.47
  6. Step 6: Final answer
    x = 29,597.50

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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.