Home / 31,466.94-47,202.83-12,738.12

Finding the Fourth Proportional to 31,466.94, 47,202.83 and 12,738.12

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Solution

The fourth proportional to 31,466.94, 47,202.83 and 12,738.12 is: 19,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.94 : 47,202.83 = 12,738.12 : x
  2. Step 2: Convert to fraction form
    31,466.94/47,202.83 = 12,738.12/x
  3. Step 3: Cross multiply
    31,466.94x = 47,202.83 × 12,738.12
  4. Step 4: Simplify right side
    31,466.94x = 601,275,312.88
  5. Step 5: Solve for x
    x = 601,275,312.88/31,466.94
  6. Step 6: Final answer
    x = 19,108.16

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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.