Home / 35,212.79-48,595.05-20,105.60

Finding the Fourth Proportional to 35,212.79, 48,595.05 and 20,105.60

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Solution

The fourth proportional to 35,212.79, 48,595.05 and 20,105.60 is: 27,746.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,212.79 : 48,595.05 = 20,105.60 : x
  2. Step 2: Convert to fraction form
    35,212.79/48,595.05 = 20,105.60/x
  3. Step 3: Cross multiply
    35,212.79x = 48,595.05 × 20,105.60
  4. Step 4: Simplify right side
    35,212.79x = 977,032,394.30
  5. Step 5: Solve for x
    x = 977,032,394.30/35,212.79
  6. Step 6: Final answer
    x = 27,746.52

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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.