Home / 31,372.74-43,013.68-30,811.41

Finding the Fourth Proportional to 31,372.74, 43,013.68 and 30,811.41

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Solution

The fourth proportional to 31,372.74, 43,013.68 and 30,811.41 is: 42,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.74 : 43,013.68 = 30,811.41 : x
  2. Step 2: Convert to fraction form
    31,372.74/43,013.68 = 30,811.41/x
  3. Step 3: Cross multiply
    31,372.74x = 43,013.68 × 30,811.41
  4. Step 4: Simplify right side
    31,372.74x = 1,325,312,053.06
  5. Step 5: Solve for x
    x = 1,325,312,053.06/31,372.74
  6. Step 6: Final answer
    x = 42,244.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.