Home / 50,370.18-75,557.98-12,930.60

Finding the Fourth Proportional to 50,370.18, 75,557.98 and 12,930.60

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Solution

The fourth proportional to 50,370.18, 75,557.98 and 12,930.60 is: 19,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,370.18 : 75,557.98 = 12,930.60 : x
  2. Step 2: Convert to fraction form
    50,370.18/75,557.98 = 12,930.60/x
  3. Step 3: Cross multiply
    50,370.18x = 75,557.98 × 12,930.60
  4. Step 4: Simplify right side
    50,370.18x = 977,010,016.19
  5. Step 5: Solve for x
    x = 977,010,016.19/50,370.18
  6. Step 6: Final answer
    x = 19,396.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.