Home / 40,556.09-60,835.80-13,920.38

Finding the Fourth Proportional to 40,556.09, 60,835.80 and 13,920.38

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Solution

The fourth proportional to 40,556.09, 60,835.80 and 13,920.38 is: 20,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,556.09 : 60,835.80 = 13,920.38 : x
  2. Step 2: Convert to fraction form
    40,556.09/60,835.80 = 13,920.38/x
  3. Step 3: Cross multiply
    40,556.09x = 60,835.80 × 13,920.38
  4. Step 4: Simplify right side
    40,556.09x = 846,857,149.43
  5. Step 5: Solve for x
    x = 846,857,149.43/40,556.09
  6. Step 6: Final answer
    x = 20,881.14

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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.