Home / 31,131.96-46,697.82-18,655.74

Finding the Fourth Proportional to 31,131.96, 46,697.82 and 18,655.74

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Solution

The fourth proportional to 31,131.96, 46,697.82 and 18,655.74 is: 27,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131.96 : 46,697.82 = 18,655.74 : x
  2. Step 2: Convert to fraction form
    31,131.96/46,697.82 = 18,655.74/x
  3. Step 3: Cross multiply
    31,131.96x = 46,697.82 × 18,655.74
  4. Step 4: Simplify right side
    31,131.96x = 871,182,388.49
  5. Step 5: Solve for x
    x = 871,182,388.49/31,131.96
  6. Step 6: Final answer
    x = 27,983.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.