Home / 35,265.60-48,667.56-20,160.72

Finding the Fourth Proportional to 35,265.60, 48,667.56 and 20,160.72

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Solution

The fourth proportional to 35,265.60, 48,667.56 and 20,160.72 is: 27,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,265.60 : 48,667.56 = 20,160.72 : x
  2. Step 2: Convert to fraction form
    35,265.60/48,667.56 = 20,160.72/x
  3. Step 3: Cross multiply
    35,265.60x = 48,667.56 × 20,160.72
  4. Step 4: Simplify right side
    35,265.60x = 981,173,050.24
  5. Step 5: Solve for x
    x = 981,173,050.24/35,265.60
  6. Step 6: Final answer
    x = 27,822.38

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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.