Home / 54,332.45-81,491.75-21,029.73

Finding the Fourth Proportional to 54,332.45, 81,491.75 and 21,029.73

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Solution

The fourth proportional to 54,332.45, 81,491.75 and 21,029.73 is: 31,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,332.45 : 81,491.75 = 21,029.73 : x
  2. Step 2: Convert to fraction form
    54,332.45/81,491.75 = 21,029.73/x
  3. Step 3: Cross multiply
    54,332.45x = 81,491.75 × 21,029.73
  4. Step 4: Simplify right side
    54,332.45x = 1,713,749,108.70
  5. Step 5: Solve for x
    x = 1,713,749,108.70/54,332.45
  6. Step 6: Final answer
    x = 31,541.91

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1.5x scale

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.