Home / 50,477.08-69,659.76-28,121.08

Finding the Fourth Proportional to 50,477.08, 69,659.76 and 28,121.08

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Solution

The fourth proportional to 50,477.08, 69,659.76 and 28,121.08 is: 38,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,477.08 : 69,659.76 = 28,121.08 : x
  2. Step 2: Convert to fraction form
    50,477.08/69,659.76 = 28,121.08/x
  3. Step 3: Cross multiply
    50,477.08x = 69,659.76 × 28,121.08
  4. Step 4: Simplify right side
    50,477.08x = 1,958,907,683.74
  5. Step 5: Solve for x
    x = 1,958,907,683.74/50,477.08
  6. Step 6: Final answer
    x = 38,807.86

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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.