Home / 66,220.15-91,383.33-36,005.46

Finding the Fourth Proportional to 66,220.15, 91,383.33 and 36,005.46

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Solution

The fourth proportional to 66,220.15, 91,383.33 and 36,005.46 is: 49,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,220.15 : 91,383.33 = 36,005.46 : x
  2. Step 2: Convert to fraction form
    66,220.15/91,383.33 = 36,005.46/x
  3. Step 3: Cross multiply
    66,220.15x = 91,383.33 × 36,005.46
  4. Step 4: Simplify right side
    66,220.15x = 3,290,299,038.08
  5. Step 5: Solve for x
    x = 3,290,299,038.08/66,220.15
  6. Step 6: Final answer
    x = 49,687.28

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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.