Home / 50,120.40-69,173.52-28,895.52

Finding the Fourth Proportional to 50,120.40, 69,173.52 and 28,895.52

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Solution

The fourth proportional to 50,120.40, 69,173.52 and 28,895.52 is: 39,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,120.40 : 69,173.52 = 28,895.52 : x
  2. Step 2: Convert to fraction form
    50,120.40/69,173.52 = 28,895.52/x
  3. Step 3: Cross multiply
    50,120.40x = 69,173.52 × 28,895.52
  4. Step 4: Simplify right side
    50,120.40x = 1,998,804,830.63
  5. Step 5: Solve for x
    x = 1,998,804,830.63/50,120.40
  6. Step 6: Final answer
    x = 39,880.07

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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.