Home / 32,928.76-45,441.57-18,781.57

Finding the Fourth Proportional to 32,928.76, 45,441.57 and 18,781.57

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Solution

The fourth proportional to 32,928.76, 45,441.57 and 18,781.57 is: 25,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,928.76 : 45,441.57 = 18,781.57 : x
  2. Step 2: Convert to fraction form
    32,928.76/45,441.57 = 18,781.57/x
  3. Step 3: Cross multiply
    32,928.76x = 45,441.57 × 18,781.57
  4. Step 4: Simplify right side
    32,928.76x = 853,464,027.86
  5. Step 5: Solve for x
    x = 853,464,027.86/32,928.76
  6. Step 6: Final answer
    x = 25,918.50

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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.