Home / 31,464.80-47,213.70-12,746.82

Finding the Fourth Proportional to 31,464.80, 47,213.70 and 12,746.82

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Solution

The fourth proportional to 31,464.80, 47,213.70 and 12,746.82 is: 19,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.80 : 47,213.70 = 12,746.82 : x
  2. Step 2: Convert to fraction form
    31,464.80/47,213.70 = 12,746.82/x
  3. Step 3: Cross multiply
    31,464.80x = 47,213.70 × 12,746.82
  4. Step 4: Simplify right side
    31,464.80x = 601,824,535.43
  5. Step 5: Solve for x
    x = 601,824,535.43/31,464.80
  6. Step 6: Final answer
    x = 19,126.91

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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.