Home / 31,549.37-47,310.21-11,814.09

Finding the Fourth Proportional to 31,549.37, 47,310.21 and 11,814.09

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Solution

The fourth proportional to 31,549.37, 47,310.21 and 11,814.09 is: 17,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.37 : 47,310.21 = 11,814.09 : x
  2. Step 2: Convert to fraction form
    31,549.37/47,310.21 = 11,814.09/x
  3. Step 3: Cross multiply
    31,549.37x = 47,310.21 × 11,814.09
  4. Step 4: Simplify right side
    31,549.37x = 558,926,901.45
  5. Step 5: Solve for x
    x = 558,926,901.45/31,549.37
  6. Step 6: Final answer
    x = 17,715.95

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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.