Home / 31,305.24-43,205.65-19,372.42

Finding the Fourth Proportional to 31,305.24, 43,205.65 and 19,372.42

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Solution

The fourth proportional to 31,305.24, 43,205.65 and 19,372.42 is: 26,736.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.24 : 43,205.65 = 19,372.42 : x
  2. Step 2: Convert to fraction form
    31,305.24/43,205.65 = 19,372.42/x
  3. Step 3: Cross multiply
    31,305.24x = 43,205.65 × 19,372.42
  4. Step 4: Simplify right side
    31,305.24x = 836,997,830.58
  5. Step 5: Solve for x
    x = 836,997,830.58/31,305.24
  6. Step 6: Final answer
    x = 26,736.67

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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.