Home / 32,704.86-45,141.39-20,140.14

Finding the Fourth Proportional to 32,704.86, 45,141.39 and 20,140.14

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Solution

The fourth proportional to 32,704.86, 45,141.39 and 20,140.14 is: 27,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,704.86 : 45,141.39 = 20,140.14 : x
  2. Step 2: Convert to fraction form
    32,704.86/45,141.39 = 20,140.14/x
  3. Step 3: Cross multiply
    32,704.86x = 45,141.39 × 20,140.14
  4. Step 4: Simplify right side
    32,704.86x = 909,153,914.39
  5. Step 5: Solve for x
    x = 909,153,914.39/32,704.86
  6. Step 6: Final answer
    x = 27,798.74

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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.