Home / 66,392.59-99,625.34-31,331.33

Finding the Fourth Proportional to 66,392.59, 99,625.34 and 31,331.33

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Solution

The fourth proportional to 66,392.59, 99,625.34 and 31,331.33 is: 47,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392.59 : 99,625.34 = 31,331.33 : x
  2. Step 2: Convert to fraction form
    66,392.59/99,625.34 = 31,331.33/x
  3. Step 3: Cross multiply
    66,392.59x = 99,625.34 × 31,331.33
  4. Step 4: Simplify right side
    66,392.59x = 3,121,394,403.90
  5. Step 5: Solve for x
    x = 3,121,394,403.90/66,392.59
  6. Step 6: Final answer
    x = 47,014.20

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1.5x scale

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.