Home / 45,201.72-62,403.20-30,883.08

Finding the Fourth Proportional to 45,201.72, 62,403.20 and 30,883.08

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Solution

The fourth proportional to 45,201.72, 62,403.20 and 30,883.08 is: 42,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.72 : 62,403.20 = 30,883.08 : x
  2. Step 2: Convert to fraction form
    45,201.72/62,403.20 = 30,883.08/x
  3. Step 3: Cross multiply
    45,201.72x = 62,403.20 × 30,883.08
  4. Step 4: Simplify right side
    45,201.72x = 1,927,202,551.42
  5. Step 5: Solve for x
    x = 1,927,202,551.42/45,201.72
  6. Step 6: Final answer
    x = 42,635.61

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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.