Home / 45,158.56-62,349.24-28,188.64

Finding the Fourth Proportional to 45,158.56, 62,349.24 and 28,188.64

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Solution

The fourth proportional to 45,158.56, 62,349.24 and 28,188.64 is: 38,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,158.56 : 62,349.24 = 28,188.64 : x
  2. Step 2: Convert to fraction form
    45,158.56/62,349.24 = 28,188.64/x
  3. Step 3: Cross multiply
    45,158.56x = 62,349.24 × 28,188.64
  4. Step 4: Simplify right side
    45,158.56x = 1,757,540,280.63
  5. Step 5: Solve for x
    x = 1,757,540,280.63/45,158.56
  6. Step 6: Final answer
    x = 38,919.32

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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.