Home / 60,667.64-90,943.86-21,199.04

Finding the Fourth Proportional to 60,667.64, 90,943.86 and 21,199.04

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Solution

The fourth proportional to 60,667.64, 90,943.86 and 21,199.04 is: 31,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,667.64 : 90,943.86 = 21,199.04 : x
  2. Step 2: Convert to fraction form
    60,667.64/90,943.86 = 21,199.04/x
  3. Step 3: Cross multiply
    60,667.64x = 90,943.86 × 21,199.04
  4. Step 4: Simplify right side
    60,667.64x = 1,927,922,525.89
  5. Step 5: Solve for x
    x = 1,927,922,525.89/60,667.64
  6. Step 6: Final answer
    x = 31,778.43

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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.