Home / 44,105.58-66,148.40-20,400.12

Finding the Fourth Proportional to 44,105.58, 66,148.40 and 20,400.12

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Solution

The fourth proportional to 44,105.58, 66,148.40 and 20,400.12 is: 30,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,105.58 : 66,148.40 = 20,400.12 : x
  2. Step 2: Convert to fraction form
    44,105.58/66,148.40 = 20,400.12/x
  3. Step 3: Cross multiply
    44,105.58x = 66,148.40 × 20,400.12
  4. Step 4: Simplify right side
    44,105.58x = 1,349,435,195.81
  5. Step 5: Solve for x
    x = 1,349,435,195.81/44,105.58
  6. Step 6: Final answer
    x = 30,595.57

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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.