Home / 37,413.42-51,639.36-21,507.10

Finding the Fourth Proportional to 37,413.42, 51,639.36 and 21,507.10

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Solution

The fourth proportional to 37,413.42, 51,639.36 and 21,507.10 is: 29,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,413.42 : 51,639.36 = 21,507.10 : x
  2. Step 2: Convert to fraction form
    37,413.42/51,639.36 = 21,507.10/x
  3. Step 3: Cross multiply
    37,413.42x = 51,639.36 × 21,507.10
  4. Step 4: Simplify right side
    37,413.42x = 1,110,612,879.46
  5. Step 5: Solve for x
    x = 1,110,612,879.46/37,413.42
  6. Step 6: Final answer
    x = 29,684.88

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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.