Home / 43,176.96-64,785.84-18,222.72

Finding the Fourth Proportional to 43,176.96, 64,785.84 and 18,222.72

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Solution

The fourth proportional to 43,176.96, 64,785.84 and 18,222.72 is: 27,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,176.96 : 64,785.84 = 18,222.72 : x
  2. Step 2: Convert to fraction form
    43,176.96/64,785.84 = 18,222.72/x
  3. Step 3: Cross multiply
    43,176.96x = 64,785.84 × 18,222.72
  4. Step 4: Simplify right side
    43,176.96x = 1,180,574,222.28
  5. Step 5: Solve for x
    x = 1,180,574,222.28/43,176.96
  6. Step 6: Final answer
    x = 27,342.69

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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.