Home / 50,485.18-69,666.84-27,819.66

Finding the Fourth Proportional to 50,485.18, 69,666.84 and 27,819.66

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Solution

The fourth proportional to 50,485.18, 69,666.84 and 27,819.66 is: 38,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.18 : 69,666.84 = 27,819.66 : x
  2. Step 2: Convert to fraction form
    50,485.18/69,666.84 = 27,819.66/x
  3. Step 3: Cross multiply
    50,485.18x = 69,666.84 × 27,819.66
  4. Step 4: Simplify right side
    50,485.18x = 1,938,107,871.62
  5. Step 5: Solve for x
    x = 1,938,107,871.62/50,485.18
  6. Step 6: Final answer
    x = 38,389.64

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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.