Home / 35,105.08-48,445.10-20,957.60

Finding the Fourth Proportional to 35,105.08, 48,445.10 and 20,957.60

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Solution

The fourth proportional to 35,105.08, 48,445.10 and 20,957.60 is: 28,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.08 : 48,445.10 = 20,957.60 : x
  2. Step 2: Convert to fraction form
    35,105.08/48,445.10 = 20,957.60/x
  3. Step 3: Cross multiply
    35,105.08x = 48,445.10 × 20,957.60
  4. Step 4: Simplify right side
    35,105.08x = 1,015,293,027.76
  5. Step 5: Solve for x
    x = 1,015,293,027.76/35,105.08
  6. Step 6: Final answer
    x = 28,921.54

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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.