Home / 40,040.12-55,223.88-37,357.40

Finding the Fourth Proportional to 40,040.12, 55,223.88 and 37,357.40

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Solution

The fourth proportional to 40,040.12, 55,223.88 and 37,357.40 is: 51,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,040.12 : 55,223.88 = 37,357.40 : x
  2. Step 2: Convert to fraction form
    40,040.12/55,223.88 = 37,357.40/x
  3. Step 3: Cross multiply
    40,040.12x = 55,223.88 × 37,357.40
  4. Step 4: Simplify right side
    40,040.12x = 2,063,020,572.68
  5. Step 5: Solve for x
    x = 2,063,020,572.68/40,040.12
  6. Step 6: Final answer
    x = 51,523.83

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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.