Home / 30,961.15-46,440.47-14,315.71

Finding the Fourth Proportional to 30,961.15, 46,440.47 and 14,315.71

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Solution

The fourth proportional to 30,961.15, 46,440.47 and 14,315.71 is: 21,472.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.15 : 46,440.47 = 14,315.71 : x
  2. Step 2: Convert to fraction form
    30,961.15/46,440.47 = 14,315.71/x
  3. Step 3: Cross multiply
    30,961.15x = 46,440.47 × 14,315.71
  4. Step 4: Simplify right side
    30,961.15x = 664,828,229.21
  5. Step 5: Solve for x
    x = 664,828,229.21/30,961.15
  6. Step 6: Final answer
    x = 21,472.98

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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.