Home / 31,497.71-47,255.09-11,778.26

Finding the Fourth Proportional to 31,497.71, 47,255.09 and 11,778.26

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Solution

The fourth proportional to 31,497.71, 47,255.09 and 11,778.26 is: 17,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497.71 : 47,255.09 = 11,778.26 : x
  2. Step 2: Convert to fraction form
    31,497.71/47,255.09 = 11,778.26/x
  3. Step 3: Cross multiply
    31,497.71x = 47,255.09 × 11,778.26
  4. Step 4: Simplify right side
    31,497.71x = 556,582,441.18
  5. Step 5: Solve for x
    x = 556,582,441.18/31,497.71
  6. Step 6: Final answer
    x = 17,670.57

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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.