Home / 53,089.38-79,632.05-13,646.84

Finding the Fourth Proportional to 53,089.38, 79,632.05 and 13,646.84

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Solution

The fourth proportional to 53,089.38, 79,632.05 and 13,646.84 is: 20,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,089.38 : 79,632.05 = 13,646.84 : x
  2. Step 2: Convert to fraction form
    53,089.38/79,632.05 = 13,646.84/x
  3. Step 3: Cross multiply
    53,089.38x = 79,632.05 × 13,646.84
  4. Step 4: Simplify right side
    53,089.38x = 1,086,725,378.83
  5. Step 5: Solve for x
    x = 1,086,725,378.83/53,089.38
  6. Step 6: Final answer
    x = 20,469.73

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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.