Home / 38,006.08-52,447.52-21,240.64

Finding the Fourth Proportional to 38,006.08, 52,447.52 and 21,240.64

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Solution

The fourth proportional to 38,006.08, 52,447.52 and 21,240.64 is: 29,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,006.08 : 52,447.52 = 21,240.64 : x
  2. Step 2: Convert to fraction form
    38,006.08/52,447.52 = 21,240.64/x
  3. Step 3: Cross multiply
    38,006.08x = 52,447.52 × 21,240.64
  4. Step 4: Simplify right side
    38,006.08x = 1,114,018,891.21
  5. Step 5: Solve for x
    x = 1,114,018,891.21/38,006.08
  6. Step 6: Final answer
    x = 29,311.60

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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.