Home / 40,497.36-55,759.20-34,435.68

Finding the Fourth Proportional to 40,497.36, 55,759.20 and 34,435.68

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Solution

The fourth proportional to 40,497.36, 55,759.20 and 34,435.68 is: 47,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,497.36 : 55,759.20 = 34,435.68 : x
  2. Step 2: Convert to fraction form
    40,497.36/55,759.20 = 34,435.68/x
  3. Step 3: Cross multiply
    40,497.36x = 55,759.20 × 34,435.68
  4. Step 4: Simplify right side
    40,497.36x = 1,920,105,968.26
  5. Step 5: Solve for x
    x = 1,920,105,968.26/40,497.36
  6. Step 6: Final answer
    x = 47,413.11

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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.