Home / 66,392.84-99,625.71-31,331.58

Finding the Fourth Proportional to 66,392.84, 99,625.71 and 31,331.58

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Solution

The fourth proportional to 66,392.84, 99,625.71 and 31,331.58 is: 47,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392.84 : 99,625.71 = 31,331.58 : x
  2. Step 2: Convert to fraction form
    66,392.84/99,625.71 = 31,331.58/x
  3. Step 3: Cross multiply
    66,392.84x = 99,625.71 × 31,331.58
  4. Step 4: Simplify right side
    66,392.84x = 3,121,430,902.92
  5. Step 5: Solve for x
    x = 3,121,430,902.92/66,392.84
  6. Step 6: Final answer
    x = 47,014.57

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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.