Home / 30,960.90-46,440.09-14,315.46

Finding the Fourth Proportional to 30,960.90, 46,440.09 and 14,315.46

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Solution

The fourth proportional to 30,960.90, 46,440.09 and 14,315.46 is: 21,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.90 : 46,440.09 = 14,315.46 : x
  2. Step 2: Convert to fraction form
    30,960.90/46,440.09 = 14,315.46/x
  3. Step 3: Cross multiply
    30,960.90x = 46,440.09 × 14,315.46
  4. Step 4: Simplify right side
    30,960.90x = 664,811,250.79
  5. Step 5: Solve for x
    x = 664,811,250.79/30,960.90
  6. Step 6: Final answer
    x = 21,472.61

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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.