Home / 35,115.58-48,458.57-20,776.15

Finding the Fourth Proportional to 35,115.58, 48,458.57 and 20,776.15

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Solution

The fourth proportional to 35,115.58, 48,458.57 and 20,776.15 is: 28,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,115.58 : 48,458.57 = 20,776.15 : x
  2. Step 2: Convert to fraction form
    35,115.58/48,458.57 = 20,776.15/x
  3. Step 3: Cross multiply
    35,115.58x = 48,458.57 × 20,776.15
  4. Step 4: Simplify right side
    35,115.58x = 1,006,782,519.11
  5. Step 5: Solve for x
    x = 1,006,782,519.11/35,115.58
  6. Step 6: Final answer
    x = 28,670.54

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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.