Home / 29,145.90-43,751.70-19,304.40

Finding the Fourth Proportional to 29,145.90, 43,751.70 and 19,304.40

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Solution

The fourth proportional to 29,145.90, 43,751.70 and 19,304.40 is: 28,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.90 : 43,751.70 = 19,304.40 : x
  2. Step 2: Convert to fraction form
    29,145.90/43,751.70 = 19,304.40/x
  3. Step 3: Cross multiply
    29,145.90x = 43,751.70 × 19,304.40
  4. Step 4: Simplify right side
    29,145.90x = 844,600,317.48
  5. Step 5: Solve for x
    x = 844,600,317.48/29,145.90
  6. Step 6: Final answer
    x = 28,978.36

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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.