Home / 29,986.24-44,979.36-13,342.40

Finding the Fourth Proportional to 29,986.24, 44,979.36 and 13,342.40

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Solution

The fourth proportional to 29,986.24, 44,979.36 and 13,342.40 is: 20,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,986.24 : 44,979.36 = 13,342.40 : x
  2. Step 2: Convert to fraction form
    29,986.24/44,979.36 = 13,342.40/x
  3. Step 3: Cross multiply
    29,986.24x = 44,979.36 × 13,342.40
  4. Step 4: Simplify right side
    29,986.24x = 600,132,612.86
  5. Step 5: Solve for x
    x = 600,132,612.86/29,986.24
  6. Step 6: Final answer
    x = 20,013.60

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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.