Home / 30,639.66-45,963.45-10,923.90

Finding the Fourth Proportional to 30,639.66, 45,963.45 and 10,923.90

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Solution

The fourth proportional to 30,639.66, 45,963.45 and 10,923.90 is: 16,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639.66 : 45,963.45 = 10,923.90 : x
  2. Step 2: Convert to fraction form
    30,639.66/45,963.45 = 10,923.90/x
  3. Step 3: Cross multiply
    30,639.66x = 45,963.45 × 10,923.90
  4. Step 4: Simplify right side
    30,639.66x = 502,100,131.46
  5. Step 5: Solve for x
    x = 502,100,131.46/30,639.66
  6. Step 6: Final answer
    x = 16,387.26

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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.