Home / 50,590.20-69,870.86-39,394.38

Finding the Fourth Proportional to 50,590.20, 69,870.86 and 39,394.38

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Solution

The fourth proportional to 50,590.20, 69,870.86 and 39,394.38 is: 54,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,590.20 : 69,870.86 = 39,394.38 : x
  2. Step 2: Convert to fraction form
    50,590.20/69,870.86 = 39,394.38/x
  3. Step 3: Cross multiply
    50,590.20x = 69,870.86 × 39,394.38
  4. Step 4: Simplify right side
    50,590.20x = 2,752,519,209.77
  5. Step 5: Solve for x
    x = 2,752,519,209.77/50,590.20
  6. Step 6: Final answer
    x = 54,408.15

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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.