Home / 35,285.19-48,691.77-20,945.64

Finding the Fourth Proportional to 35,285.19, 48,691.77 and 20,945.64

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Solution

The fourth proportional to 35,285.19, 48,691.77 and 20,945.64 is: 28,903.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,285.19 : 48,691.77 = 20,945.64 : x
  2. Step 2: Convert to fraction form
    35,285.19/48,691.77 = 20,945.64/x
  3. Step 3: Cross multiply
    35,285.19x = 48,691.77 × 20,945.64
  4. Step 4: Simplify right side
    35,285.19x = 1,019,880,285.38
  5. Step 5: Solve for x
    x = 1,019,880,285.38/35,285.19
  6. Step 6: Final answer
    x = 28,903.92

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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.