Home / 30,366.96-41,905.48-16,938.16

Finding the Fourth Proportional to 30,366.96, 41,905.48 and 16,938.16

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Solution

The fourth proportional to 30,366.96, 41,905.48 and 16,938.16 is: 23,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.96 : 41,905.48 = 16,938.16 : x
  2. Step 2: Convert to fraction form
    30,366.96/41,905.48 = 16,938.16/x
  3. Step 3: Cross multiply
    30,366.96x = 41,905.48 × 16,938.16
  4. Step 4: Simplify right side
    30,366.96x = 709,801,725.12
  5. Step 5: Solve for x
    x = 709,801,725.12/30,366.96
  6. Step 6: Final answer
    x = 23,374.14

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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.