Home / 31,541.72-47,310.72-11,818.62

Finding the Fourth Proportional to 31,541.72, 47,310.72 and 11,818.62

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Solution

The fourth proportional to 31,541.72, 47,310.72 and 11,818.62 is: 17,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.72 : 47,310.72 = 11,818.62 : x
  2. Step 2: Convert to fraction form
    31,541.72/47,310.72 = 11,818.62/x
  3. Step 3: Cross multiply
    31,541.72x = 47,310.72 × 11,818.62
  4. Step 4: Simplify right side
    31,541.72x = 559,147,539.88
  5. Step 5: Solve for x
    x = 559,147,539.88/31,541.72
  6. Step 6: Final answer
    x = 17,727.24

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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.