Home / 30,836.04-46,270.28-21,887.90

Finding the Fourth Proportional to 30,836.04, 46,270.28 and 21,887.90

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Solution

The fourth proportional to 30,836.04, 46,270.28 and 21,887.90 is: 32,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,836.04 : 46,270.28 = 21,887.90 : x
  2. Step 2: Convert to fraction form
    30,836.04/46,270.28 = 21,887.90/x
  3. Step 3: Cross multiply
    30,836.04x = 46,270.28 × 21,887.90
  4. Step 4: Simplify right side
    30,836.04x = 1,012,759,353.05
  5. Step 5: Solve for x
    x = 1,012,759,353.05/30,836.04
  6. Step 6: Final answer
    x = 32,843.36

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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.