Home / 31,485.43-47,239.08-13,967.56

Finding the Fourth Proportional to 31,485.43, 47,239.08 and 13,967.56

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Solution

The fourth proportional to 31,485.43, 47,239.08 and 13,967.56 is: 20,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,485.43 : 47,239.08 = 13,967.56 : x
  2. Step 2: Convert to fraction form
    31,485.43/47,239.08 = 13,967.56/x
  3. Step 3: Cross multiply
    31,485.43x = 47,239.08 × 13,967.56
  4. Step 4: Simplify right side
    31,485.43x = 659,814,684.24
  5. Step 5: Solve for x
    x = 659,814,684.24/31,485.43
  6. Step 6: Final answer
    x = 20,956.19

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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.