Home / 48,007.12-72,009.60-21,704.80

Finding the Fourth Proportional to 48,007.12, 72,009.60 and 21,704.80

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Solution

The fourth proportional to 48,007.12, 72,009.60 and 21,704.80 is: 32,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.12 : 72,009.60 = 21,704.80 : x
  2. Step 2: Convert to fraction form
    48,007.12/72,009.60 = 21,704.80/x
  3. Step 3: Cross multiply
    48,007.12x = 72,009.60 × 21,704.80
  4. Step 4: Simplify right side
    48,007.12x = 1,562,953,966.08
  5. Step 5: Solve for x
    x = 1,562,953,966.08/48,007.12
  6. Step 6: Final answer
    x = 32,556.71

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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.