Home / 31,542.30-47,313.45-25,904.70

Finding the Fourth Proportional to 31,542.30, 47,313.45 and 25,904.70

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Solution

The fourth proportional to 31,542.30, 47,313.45 and 25,904.70 is: 38,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.30 : 47,313.45 = 25,904.70 : x
  2. Step 2: Convert to fraction form
    31,542.30/47,313.45 = 25,904.70/x
  3. Step 3: Cross multiply
    31,542.30x = 47,313.45 × 25,904.70
  4. Step 4: Simplify right side
    31,542.30x = 1,225,640,728.22
  5. Step 5: Solve for x
    x = 1,225,640,728.22/31,542.30
  6. Step 6: Final answer
    x = 38,857.05

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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.