Home / 38,230.08-52,755.75-21,235.40

Finding the Fourth Proportional to 38,230.08, 52,755.75 and 21,235.40

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Solution

The fourth proportional to 38,230.08, 52,755.75 and 21,235.40 is: 29,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230.08 : 52,755.75 = 21,235.40 : x
  2. Step 2: Convert to fraction form
    38,230.08/52,755.75 = 21,235.40/x
  3. Step 3: Cross multiply
    38,230.08x = 52,755.75 × 21,235.40
  4. Step 4: Simplify right side
    38,230.08x = 1,120,289,453.55
  5. Step 5: Solve for x
    x = 1,120,289,453.55/38,230.08
  6. Step 6: Final answer
    x = 29,303.87

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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.