Home / 37,980.66-52,379.25-31,628.28

Finding the Fourth Proportional to 37,980.66, 52,379.25 and 31,628.28

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Solution

The fourth proportional to 37,980.66, 52,379.25 and 31,628.28 is: 43,618.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,980.66 : 52,379.25 = 31,628.28 : x
  2. Step 2: Convert to fraction form
    37,980.66/52,379.25 = 31,628.28/x
  3. Step 3: Cross multiply
    37,980.66x = 52,379.25 × 31,628.28
  4. Step 4: Simplify right side
    37,980.66x = 1,656,665,585.19
  5. Step 5: Solve for x
    x = 1,656,665,585.19/37,980.66
  6. Step 6: Final answer
    x = 43,618.66

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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.