Home / 38,395.62-52,989.84-21,402.60

Finding the Fourth Proportional to 38,395.62, 52,989.84 and 21,402.60

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Solution

The fourth proportional to 38,395.62, 52,989.84 and 21,402.60 is: 29,537.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.62 : 52,989.84 = 21,402.60 : x
  2. Step 2: Convert to fraction form
    38,395.62/52,989.84 = 21,402.60/x
  3. Step 3: Cross multiply
    38,395.62x = 52,989.84 × 21,402.60
  4. Step 4: Simplify right side
    38,395.62x = 1,134,120,349.58
  5. Step 5: Solve for x
    x = 1,134,120,349.58/38,395.62
  6. Step 6: Final answer
    x = 29,537.75

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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.