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Finding the Fourth Proportional to 43,869, 60,548.94 and 30,276.12

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Solution

The fourth proportional to 43,869, 60,548.94 and 30,276.12 is: 41,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869 : 60,548.94 = 30,276.12 : x
  2. Step 2: Convert to fraction form
    43,869/60,548.94 = 30,276.12/x
  3. Step 3: Cross multiply
    43,869x = 60,548.94 × 30,276.12
  4. Step 4: Simplify right side
    43,869x = 1,833,186,973.31
  5. Step 5: Solve for x
    x = 1,833,186,973.31/43,869
  6. Step 6: Final answer
    x = 41,787.75

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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.