Home / 39,247.93-54,162.84-21,342.88

Finding the Fourth Proportional to 39,247.93, 54,162.84 and 21,342.88

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Solution

The fourth proportional to 39,247.93, 54,162.84 and 21,342.88 is: 29,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.93 : 54,162.84 = 21,342.88 : x
  2. Step 2: Convert to fraction form
    39,247.93/54,162.84 = 21,342.88/x
  3. Step 3: Cross multiply
    39,247.93x = 54,162.84 × 21,342.88
  4. Step 4: Simplify right side
    39,247.93x = 1,155,990,994.58
  5. Step 5: Solve for x
    x = 1,155,990,994.58/39,247.93
  6. Step 6: Final answer
    x = 29,453.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.