Home / 30,366.01-41,905.16-16,938.12

Finding the Fourth Proportional to 30,366.01, 41,905.16 and 16,938.12

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Solution

The fourth proportional to 30,366.01, 41,905.16 and 16,938.12 is: 23,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.01 : 41,905.16 = 16,938.12 : x
  2. Step 2: Convert to fraction form
    30,366.01/41,905.16 = 16,938.12/x
  3. Step 3: Cross multiply
    30,366.01x = 41,905.16 × 16,938.12
  4. Step 4: Simplify right side
    30,366.01x = 709,794,544.01
  5. Step 5: Solve for x
    x = 709,794,544.01/30,366.01
  6. Step 6: Final answer
    x = 23,374.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.