Home / 31,532.08-47,312.60-11,812.24

Finding the Fourth Proportional to 31,532.08, 47,312.60 and 11,812.24

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Solution

The fourth proportional to 31,532.08, 47,312.60 and 11,812.24 is: 17,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.08 : 47,312.60 = 11,812.24 : x
  2. Step 2: Convert to fraction form
    31,532.08/47,312.60 = 11,812.24/x
  3. Step 3: Cross multiply
    31,532.08x = 47,312.60 × 11,812.24
  4. Step 4: Simplify right side
    31,532.08x = 558,867,786.22
  5. Step 5: Solve for x
    x = 558,867,786.22/31,532.08
  6. Step 6: Final answer
    x = 17,723.78

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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.