Home / 35,810.04-49,413.90-19,890.84

Finding the Fourth Proportional to 35,810.04, 49,413.90 and 19,890.84

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Solution

The fourth proportional to 35,810.04, 49,413.90 and 19,890.84 is: 27,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.04 : 49,413.90 = 19,890.84 : x
  2. Step 2: Convert to fraction form
    35,810.04/49,413.90 = 19,890.84/x
  3. Step 3: Cross multiply
    35,810.04x = 49,413.90 × 19,890.84
  4. Step 4: Simplify right side
    35,810.04x = 982,883,978.68
  5. Step 5: Solve for x
    x = 982,883,978.68/35,810.04
  6. Step 6: Final answer
    x = 27,447.16

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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.