Home / 38,987.85-58,481.24-9,405.44

Finding the Fourth Proportional to 38,987.85, 58,481.24 and 9,405.44

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Solution

The fourth proportional to 38,987.85, 58,481.24 and 9,405.44 is: 14,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,987.85 : 58,481.24 = 9,405.44 : x
  2. Step 2: Convert to fraction form
    38,987.85/58,481.24 = 9,405.44/x
  3. Step 3: Cross multiply
    38,987.85x = 58,481.24 × 9,405.44
  4. Step 4: Simplify right side
    38,987.85x = 550,041,454.51
  5. Step 5: Solve for x
    x = 550,041,454.51/38,987.85
  6. Step 6: Final answer
    x = 14,108.02

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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.