Home / 20,531.29-30,796.94-4,948.92

Finding the Fourth Proportional to 20,531.29, 30,796.94 and 4,948.92

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Solution

The fourth proportional to 20,531.29, 30,796.94 and 4,948.92 is: 7,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,531.29 : 30,796.94 = 4,948.92 : x
  2. Step 2: Convert to fraction form
    20,531.29/30,796.94 = 4,948.92/x
  3. Step 3: Cross multiply
    20,531.29x = 30,796.94 × 4,948.92
  4. Step 4: Simplify right side
    20,531.29x = 152,411,413.58
  5. Step 5: Solve for x
    x = 152,411,413.58/20,531.29
  6. Step 6: Final answer
    x = 7,423.37

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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.