Home / 39,729.74-54,828.50-23,811.12

Finding the Fourth Proportional to 39,729.74, 54,828.50 and 23,811.12

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Solution

The fourth proportional to 39,729.74, 54,828.50 and 23,811.12 is: 32,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.74 : 54,828.50 = 23,811.12 : x
  2. Step 2: Convert to fraction form
    39,729.74/54,828.50 = 23,811.12/x
  3. Step 3: Cross multiply
    39,729.74x = 54,828.50 × 23,811.12
  4. Step 4: Simplify right side
    39,729.74x = 1,305,527,873.86
  5. Step 5: Solve for x
    x = 1,305,527,873.86/39,729.74
  6. Step 6: Final answer
    x = 32,860.22

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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.