Home / 37,436.08-51,661.96-20,440.66

Finding the Fourth Proportional to 37,436.08, 51,661.96 and 20,440.66

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Solution

The fourth proportional to 37,436.08, 51,661.96 and 20,440.66 is: 28,208.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,436.08 : 51,661.96 = 20,440.66 : x
  2. Step 2: Convert to fraction form
    37,436.08/51,661.96 = 20,440.66/x
  3. Step 3: Cross multiply
    37,436.08x = 51,661.96 × 20,440.66
  4. Step 4: Simplify right side
    37,436.08x = 1,056,004,559.29
  5. Step 5: Solve for x
    x = 1,056,004,559.29/37,436.08
  6. Step 6: Final answer
    x = 28,208.21

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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.