Home / 30,359.94-45,563.52-21,065.22

Finding the Fourth Proportional to 30,359.94, 45,563.52 and 21,065.22

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Solution

The fourth proportional to 30,359.94, 45,563.52 and 21,065.22 is: 31,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,359.94 : 45,563.52 = 21,065.22 : x
  2. Step 2: Convert to fraction form
    30,359.94/45,563.52 = 21,065.22/x
  3. Step 3: Cross multiply
    30,359.94x = 45,563.52 × 21,065.22
  4. Step 4: Simplify right side
    30,359.94x = 959,805,572.77
  5. Step 5: Solve for x
    x = 959,805,572.77/30,359.94
  6. Step 6: Final answer
    x = 31,614.21

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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.