Home / 58,627.72-87,938.68-19,179.64

Finding the Fourth Proportional to 58,627.72, 87,938.68 and 19,179.64

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Solution

The fourth proportional to 58,627.72, 87,938.68 and 19,179.64 is: 28,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,627.72 : 87,938.68 = 19,179.64 : x
  2. Step 2: Convert to fraction form
    58,627.72/87,938.68 = 19,179.64/x
  3. Step 3: Cross multiply
    58,627.72x = 87,938.68 × 19,179.64
  4. Step 4: Simplify right side
    58,627.72x = 1,686,632,224.48
  5. Step 5: Solve for x
    x = 1,686,632,224.48/58,627.72
  6. Step 6: Final answer
    x = 28,768.51

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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.