Home / 33,869.86-46,742.03-20,440.87

Finding the Fourth Proportional to 33,869.86, 46,742.03 and 20,440.87

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Solution

The fourth proportional to 33,869.86, 46,742.03 and 20,440.87 is: 28,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,869.86 : 46,742.03 = 20,440.87 : x
  2. Step 2: Convert to fraction form
    33,869.86/46,742.03 = 20,440.87/x
  3. Step 3: Cross multiply
    33,869.86x = 46,742.03 × 20,440.87
  4. Step 4: Simplify right side
    33,869.86x = 955,447,693.01
  5. Step 5: Solve for x
    x = 955,447,693.01/33,869.86
  6. Step 6: Final answer
    x = 28,209.38

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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.