Home / 35,217.66-48,595.68-20,109.36

Finding the Fourth Proportional to 35,217.66, 48,595.68 and 20,109.36

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Solution

The fourth proportional to 35,217.66, 48,595.68 and 20,109.36 is: 27,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,217.66 : 48,595.68 = 20,109.36 : x
  2. Step 2: Convert to fraction form
    35,217.66/48,595.68 = 20,109.36/x
  3. Step 3: Cross multiply
    35,217.66x = 48,595.68 × 20,109.36
  4. Step 4: Simplify right side
    35,217.66x = 977,228,023.56
  5. Step 5: Solve for x
    x = 977,228,023.56/35,217.66
  6. Step 6: Final answer
    x = 27,748.24

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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.