Home / 38,147.22-52,646.25-21,156.77

Finding the Fourth Proportional to 38,147.22, 52,646.25 and 21,156.77

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Solution

The fourth proportional to 38,147.22, 52,646.25 and 21,156.77 is: 29,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147.22 : 52,646.25 = 21,156.77 : x
  2. Step 2: Convert to fraction form
    38,147.22/52,646.25 = 21,156.77/x
  3. Step 3: Cross multiply
    38,147.22x = 52,646.25 × 21,156.77
  4. Step 4: Simplify right side
    38,147.22x = 1,113,824,339.38
  5. Step 5: Solve for x
    x = 1,113,824,339.38/38,147.22
  6. Step 6: Final answer
    x = 29,198.05

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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.