Home / 60,817.32-91,188.70-21,378.96

Finding the Fourth Proportional to 60,817.32, 91,188.70 and 21,378.96

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Solution

The fourth proportional to 60,817.32, 91,188.70 and 21,378.96 is: 32,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,817.32 : 91,188.70 = 21,378.96 : x
  2. Step 2: Convert to fraction form
    60,817.32/91,188.70 = 21,378.96/x
  3. Step 3: Cross multiply
    60,817.32x = 91,188.70 × 21,378.96
  4. Step 4: Simplify right side
    60,817.32x = 1,949,519,569.75
  5. Step 5: Solve for x
    x = 1,949,519,569.75/60,817.32
  6. Step 6: Final answer
    x = 32,055.34

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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.