Home / 49,681.18-74,532.66-21,605.59

Finding the Fourth Proportional to 49,681.18, 74,532.66 and 21,605.59

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Solution

The fourth proportional to 49,681.18, 74,532.66 and 21,605.59 is: 32,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,681.18 : 74,532.66 = 21,605.59 : x
  2. Step 2: Convert to fraction form
    49,681.18/74,532.66 = 21,605.59/x
  3. Step 3: Cross multiply
    49,681.18x = 74,532.66 × 21,605.59
  4. Step 4: Simplify right side
    49,681.18x = 1,610,322,093.57
  5. Step 5: Solve for x
    x = 1,610,322,093.57/49,681.18
  6. Step 6: Final answer
    x = 32,413.12

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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.