Home / 31,595.37-43,607.21-18,165.57

Finding the Fourth Proportional to 31,595.37, 43,607.21 and 18,165.57

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Solution

The fourth proportional to 31,595.37, 43,607.21 and 18,165.57 is: 25,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.37 : 43,607.21 = 18,165.57 : x
  2. Step 2: Convert to fraction form
    31,595.37/43,607.21 = 18,165.57/x
  3. Step 3: Cross multiply
    31,595.37x = 43,607.21 × 18,165.57
  4. Step 4: Simplify right side
    31,595.37x = 792,149,734.93
  5. Step 5: Solve for x
    x = 792,149,734.93/31,595.37
  6. Step 6: Final answer
    x = 25,071.70

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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.