Home / 31,977.56-44,125.38-18,364.86

Finding the Fourth Proportional to 31,977.56, 44,125.38 and 18,364.86

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Solution

The fourth proportional to 31,977.56, 44,125.38 and 18,364.86 is: 25,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.56 : 44,125.38 = 18,364.86 : x
  2. Step 2: Convert to fraction form
    31,977.56/44,125.38 = 18,364.86/x
  3. Step 3: Cross multiply
    31,977.56x = 44,125.38 × 18,364.86
  4. Step 4: Simplify right side
    31,977.56x = 810,356,426.15
  5. Step 5: Solve for x
    x = 810,356,426.15/31,977.56
  6. Step 6: Final answer
    x = 25,341.41

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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.