Home / 47,102.27-65,018.21-31,191.84

Finding the Fourth Proportional to 47,102.27, 65,018.21 and 31,191.84

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Solution

The fourth proportional to 47,102.27, 65,018.21 and 31,191.84 is: 43,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,102.27 : 65,018.21 = 31,191.84 : x
  2. Step 2: Convert to fraction form
    47,102.27/65,018.21 = 31,191.84/x
  3. Step 3: Cross multiply
    47,102.27x = 65,018.21 × 31,191.84
  4. Step 4: Simplify right side
    47,102.27x = 2,028,037,447.45
  5. Step 5: Solve for x
    x = 2,028,037,447.45/47,102.27
  6. Step 6: Final answer
    x = 43,056.05

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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.