Home / 50,021.10-69,054.18-38,664.94

Finding the Fourth Proportional to 50,021.10, 69,054.18 and 38,664.94

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Solution

The fourth proportional to 50,021.10, 69,054.18 and 38,664.94 is: 53,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,021.10 : 69,054.18 = 38,664.94 : x
  2. Step 2: Convert to fraction form
    50,021.10/69,054.18 = 38,664.94/x
  3. Step 3: Cross multiply
    50,021.10x = 69,054.18 × 38,664.94
  4. Step 4: Simplify right side
    50,021.10x = 2,669,975,726.45
  5. Step 5: Solve for x
    x = 2,669,975,726.45/50,021.10
  6. Step 6: Final answer
    x = 53,376.99

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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.