Home / 38,685.80-53,389.86-22,762.28

Finding the Fourth Proportional to 38,685.80, 53,389.86 and 22,762.28

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Solution

The fourth proportional to 38,685.80, 53,389.86 and 22,762.28 is: 31,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,685.80 : 53,389.86 = 22,762.28 : x
  2. Step 2: Convert to fraction form
    38,685.80/53,389.86 = 22,762.28/x
  3. Step 3: Cross multiply
    38,685.80x = 53,389.86 × 22,762.28
  4. Step 4: Simplify right side
    38,685.80x = 1,215,274,942.48
  5. Step 5: Solve for x
    x = 1,215,274,942.48/38,685.80
  6. Step 6: Final answer
    x = 31,413.98

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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.