Home / 43,611.45-65,450.30-31,955.13

Finding the Fourth Proportional to 43,611.45, 65,450.30 and 31,955.13

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Solution

The fourth proportional to 43,611.45, 65,450.30 and 31,955.13 is: 47,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.45 : 65,450.30 = 31,955.13 : x
  2. Step 2: Convert to fraction form
    43,611.45/65,450.30 = 31,955.13/x
  3. Step 3: Cross multiply
    43,611.45x = 65,450.30 × 31,955.13
  4. Step 4: Simplify right side
    43,611.45x = 2,091,472,685.26
  5. Step 5: Solve for x
    x = 2,091,472,685.26/43,611.45
  6. Step 6: Final answer
    x = 47,956.96

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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.