Home / 40,715.54-60,983.08-31,286.15

Finding the Fourth Proportional to 40,715.54, 60,983.08 and 31,286.15

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Solution

The fourth proportional to 40,715.54, 60,983.08 and 31,286.15 is: 46,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.54 : 60,983.08 = 31,286.15 : x
  2. Step 2: Convert to fraction form
    40,715.54/60,983.08 = 31,286.15/x
  3. Step 3: Cross multiply
    40,715.54x = 60,983.08 × 31,286.15
  4. Step 4: Simplify right side
    40,715.54x = 1,907,925,405.21
  5. Step 5: Solve for x
    x = 1,907,925,405.21/40,715.54
  6. Step 6: Final answer
    x = 46,859.89

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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.