Home / 37,413.55-51,639.53-21,507.23

Finding the Fourth Proportional to 37,413.55, 51,639.53 and 21,507.23

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Solution

The fourth proportional to 37,413.55, 51,639.53 and 21,507.23 is: 29,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,413.55 : 51,639.53 = 21,507.23 : x
  2. Step 2: Convert to fraction form
    37,413.55/51,639.53 = 21,507.23/x
  3. Step 3: Cross multiply
    37,413.55x = 51,639.53 × 21,507.23
  4. Step 4: Simplify right side
    37,413.55x = 1,110,623,044.37
  5. Step 5: Solve for x
    x = 1,110,623,044.37/37,413.55
  6. Step 6: Final answer
    x = 29,685.05

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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.