Home / 39,109.86-53,969.45-22,113.14

Finding the Fourth Proportional to 39,109.86, 53,969.45 and 22,113.14

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Solution

The fourth proportional to 39,109.86, 53,969.45 and 22,113.14 is: 30,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109.86 : 53,969.45 = 22,113.14 : x
  2. Step 2: Convert to fraction form
    39,109.86/53,969.45 = 22,113.14/x
  3. Step 3: Cross multiply
    39,109.86x = 53,969.45 × 22,113.14
  4. Step 4: Simplify right side
    39,109.86x = 1,193,433,623.16
  5. Step 5: Solve for x
    x = 1,193,433,623.16/39,109.86
  6. Step 6: Final answer
    x = 30,514.90

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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.