Home / 39,336.53-54,353.45-31,443.89

Finding the Fourth Proportional to 39,336.53, 54,353.45 and 31,443.89

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Solution

The fourth proportional to 39,336.53, 54,353.45 and 31,443.89 is: 43,447.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,336.53 : 54,353.45 = 31,443.89 : x
  2. Step 2: Convert to fraction form
    39,336.53/54,353.45 = 31,443.89/x
  3. Step 3: Cross multiply
    39,336.53x = 54,353.45 × 31,443.89
  4. Step 4: Simplify right side
    39,336.53x = 1,709,083,709.76
  5. Step 5: Solve for x
    x = 1,709,083,709.76/39,336.53
  6. Step 6: Final answer
    x = 43,447.76

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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.