Home / 35,155.43-48,506.99-20,819.76

Finding the Fourth Proportional to 35,155.43, 48,506.99 and 20,819.76

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Solution

The fourth proportional to 35,155.43, 48,506.99 and 20,819.76 is: 28,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,155.43 : 48,506.99 = 20,819.76 : x
  2. Step 2: Convert to fraction form
    35,155.43/48,506.99 = 20,819.76/x
  3. Step 3: Cross multiply
    35,155.43x = 48,506.99 × 20,819.76
  4. Step 4: Simplify right side
    35,155.43x = 1,009,903,786.02
  5. Step 5: Solve for x
    x = 1,009,903,786.02/35,155.43
  6. Step 6: Final answer
    x = 28,726.83

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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.