Home / 50,507.10-69,674.18-38,549.68

Finding the Fourth Proportional to 50,507.10, 69,674.18 and 38,549.68

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Solution

The fourth proportional to 50,507.10, 69,674.18 and 38,549.68 is: 53,179.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,507.10 : 69,674.18 = 38,549.68 : x
  2. Step 2: Convert to fraction form
    50,507.10/69,674.18 = 38,549.68/x
  3. Step 3: Cross multiply
    50,507.10x = 69,674.18 × 38,549.68
  4. Step 4: Simplify right side
    50,507.10x = 2,685,916,976.33
  5. Step 5: Solve for x
    x = 2,685,916,976.33/50,507.10
  6. Step 6: Final answer
    x = 53,179.00

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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.