Home / 31,708.12-47,548.12-14,165.68

Finding the Fourth Proportional to 31,708.12, 47,548.12 and 14,165.68

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Solution

The fourth proportional to 31,708.12, 47,548.12 and 14,165.68 is: 21,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,708.12 : 47,548.12 = 14,165.68 : x
  2. Step 2: Convert to fraction form
    31,708.12/47,548.12 = 14,165.68/x
  3. Step 3: Cross multiply
    31,708.12x = 47,548.12 × 14,165.68
  4. Step 4: Simplify right side
    31,708.12x = 673,551,452.52
  5. Step 5: Solve for x
    x = 673,551,452.52/31,708.12
  6. Step 6: Final answer
    x = 21,242.24

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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.