Home / 30,721.52-46,081.98-14,076.83

Finding the Fourth Proportional to 30,721.52, 46,081.98 and 14,076.83

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Solution

The fourth proportional to 30,721.52, 46,081.98 and 14,076.83 is: 21,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.52 : 46,081.98 = 14,076.83 : x
  2. Step 2: Convert to fraction form
    30,721.52/46,081.98 = 14,076.83/x
  3. Step 3: Cross multiply
    30,721.52x = 46,081.98 × 14,076.83
  4. Step 4: Simplify right side
    30,721.52x = 648,688,313.73
  5. Step 5: Solve for x
    x = 648,688,313.73/30,721.52
  6. Step 6: Final answer
    x = 21,115.11

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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.