Home / 38,149.83-52,646.49-21,154.05

Finding the Fourth Proportional to 38,149.83, 52,646.49 and 21,154.05

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Solution

The fourth proportional to 38,149.83, 52,646.49 and 21,154.05 is: 29,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.83 : 52,646.49 = 21,154.05 : x
  2. Step 2: Convert to fraction form
    38,149.83/52,646.49 = 21,154.05/x
  3. Step 3: Cross multiply
    38,149.83x = 52,646.49 × 21,154.05
  4. Step 4: Simplify right side
    38,149.83x = 1,113,686,481.78
  5. Step 5: Solve for x
    x = 1,113,686,481.78/38,149.83
  6. Step 6: Final answer
    x = 29,192.44

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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.