Home / 50,722.08-69,990.30-28,058.04

Finding the Fourth Proportional to 50,722.08, 69,990.30 and 28,058.04

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Solution

The fourth proportional to 50,722.08, 69,990.30 and 28,058.04 is: 38,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,722.08 : 69,990.30 = 28,058.04 : x
  2. Step 2: Convert to fraction form
    50,722.08/69,990.30 = 28,058.04/x
  3. Step 3: Cross multiply
    50,722.08x = 69,990.30 × 28,058.04
  4. Step 4: Simplify right side
    50,722.08x = 1,963,790,637.01
  5. Step 5: Solve for x
    x = 1,963,790,637.01/50,722.08
  6. Step 6: Final answer
    x = 38,716.68

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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.