Home / 31,715.12-47,485.20-23,900.24

Finding the Fourth Proportional to 31,715.12, 47,485.20 and 23,900.24

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Solution

The fourth proportional to 31,715.12, 47,485.20 and 23,900.24 is: 35,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.12 : 47,485.20 = 23,900.24 : x
  2. Step 2: Convert to fraction form
    31,715.12/47,485.20 = 23,900.24/x
  3. Step 3: Cross multiply
    31,715.12x = 47,485.20 × 23,900.24
  4. Step 4: Simplify right side
    31,715.12x = 1,134,907,676.45
  5. Step 5: Solve for x
    x = 1,134,907,676.45/31,715.12
  6. Step 6: Final answer
    x = 35,784.44

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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.