Home / 30,881.70-46,286.79-14,206.74

Finding the Fourth Proportional to 30,881.70, 46,286.79 and 14,206.74

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Solution

The fourth proportional to 30,881.70, 46,286.79 and 14,206.74 is: 21,293.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.70 : 46,286.79 = 14,206.74 : x
  2. Step 2: Convert to fraction form
    30,881.70/46,286.79 = 14,206.74/x
  3. Step 3: Cross multiply
    30,881.70x = 46,286.79 × 14,206.74
  4. Step 4: Simplify right side
    30,881.70x = 657,584,390.96
  5. Step 5: Solve for x
    x = 657,584,390.96/30,881.70
  6. Step 6: Final answer
    x = 21,293.66

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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.