Home / 45,362.43-67,945.17-21,939.75

Finding the Fourth Proportional to 45,362.43, 67,945.17 and 21,939.75

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Solution

The fourth proportional to 45,362.43, 67,945.17 and 21,939.75 is: 32,862.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,362.43 : 67,945.17 = 21,939.75 : x
  2. Step 2: Convert to fraction form
    45,362.43/67,945.17 = 21,939.75/x
  3. Step 3: Cross multiply
    45,362.43x = 67,945.17 × 21,939.75
  4. Step 4: Simplify right side
    45,362.43x = 1,490,700,043.51
  5. Step 5: Solve for x
    x = 1,490,700,043.51/45,362.43
  6. Step 6: Final answer
    x = 32,862.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.