Home / 31,464.50-47,196.75-12,996.98

Finding the Fourth Proportional to 31,464.50, 47,196.75 and 12,996.98

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Solution

The fourth proportional to 31,464.50, 47,196.75 and 12,996.98 is: 19,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.50 : 47,196.75 = 12,996.98 : x
  2. Step 2: Convert to fraction form
    31,464.50/47,196.75 = 12,996.98/x
  3. Step 3: Cross multiply
    31,464.50x = 47,196.75 × 12,996.98
  4. Step 4: Simplify right side
    31,464.50x = 613,415,215.82
  5. Step 5: Solve for x
    x = 613,415,215.82/31,464.50
  6. Step 6: Final answer
    x = 19,495.47

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Double scale
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Similar ratio
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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.