Home / 31,391.42-47,303.07-25,966.85

Finding the Fourth Proportional to 31,391.42, 47,303.07 and 25,966.85

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Solution

The fourth proportional to 31,391.42, 47,303.07 and 25,966.85 is: 39,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391.42 : 47,303.07 = 25,966.85 : x
  2. Step 2: Convert to fraction form
    31,391.42/47,303.07 = 25,966.85/x
  3. Step 3: Cross multiply
    31,391.42x = 47,303.07 × 25,966.85
  4. Step 4: Simplify right side
    31,391.42x = 1,228,311,723.23
  5. Step 5: Solve for x
    x = 1,228,311,723.23/31,391.42
  6. Step 6: Final answer
    x = 39,128.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.