Home / 35,464.10-48,939.78-19,331.56

Finding the Fourth Proportional to 35,464.10, 48,939.78 and 19,331.56

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Solution

The fourth proportional to 35,464.10, 48,939.78 and 19,331.56 is: 26,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,464.10 : 48,939.78 = 19,331.56 : x
  2. Step 2: Convert to fraction form
    35,464.10/48,939.78 = 19,331.56/x
  3. Step 3: Cross multiply
    35,464.10x = 48,939.78 × 19,331.56
  4. Step 4: Simplify right side
    35,464.10x = 946,082,318.38
  5. Step 5: Solve for x
    x = 946,082,318.38/35,464.10
  6. Step 6: Final answer
    x = 26,677.18

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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.