Home / 30,733.72-46,143.05-21,223.73

Finding the Fourth Proportional to 30,733.72, 46,143.05 and 21,223.73

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Solution

The fourth proportional to 30,733.72, 46,143.05 and 21,223.73 is: 31,864.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,733.72 : 46,143.05 = 21,223.73 : x
  2. Step 2: Convert to fraction form
    30,733.72/46,143.05 = 21,223.73/x
  3. Step 3: Cross multiply
    30,733.72x = 46,143.05 × 21,223.73
  4. Step 4: Simplify right side
    30,733.72x = 979,327,643.82
  5. Step 5: Solve for x
    x = 979,327,643.82/30,733.72
  6. Step 6: Final answer
    x = 31,864.93

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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.