Home / 50,621.09-69,857.10-28,265.09

Finding the Fourth Proportional to 50,621.09, 69,857.10 and 28,265.09

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Solution

The fourth proportional to 50,621.09, 69,857.10 and 28,265.09 is: 39,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,621.09 : 69,857.10 = 28,265.09 : x
  2. Step 2: Convert to fraction form
    50,621.09/69,857.10 = 28,265.09/x
  3. Step 3: Cross multiply
    50,621.09x = 69,857.10 × 28,265.09
  4. Step 4: Simplify right side
    50,621.09x = 1,974,516,869.35
  5. Step 5: Solve for x
    x = 1,974,516,869.35/50,621.09
  6. Step 6: Final answer
    x = 39,005.82

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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.