Home / 31,967.06-44,118.81-18,360.45

Finding the Fourth Proportional to 31,967.06, 44,118.81 and 18,360.45

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Solution

The fourth proportional to 31,967.06, 44,118.81 and 18,360.45 is: 25,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967.06 : 44,118.81 = 18,360.45 : x
  2. Step 2: Convert to fraction form
    31,967.06/44,118.81 = 18,360.45/x
  3. Step 3: Cross multiply
    31,967.06x = 44,118.81 × 18,360.45
  4. Step 4: Simplify right side
    31,967.06x = 810,041,205.06
  5. Step 5: Solve for x
    x = 810,041,205.06/31,967.06
  6. Step 6: Final answer
    x = 25,339.88

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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.