Home / 66,055.19-91,146.47-36,982.05

Finding the Fourth Proportional to 66,055.19, 91,146.47 and 36,982.05

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Solution

The fourth proportional to 66,055.19, 91,146.47 and 36,982.05 is: 51,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,055.19 : 91,146.47 = 36,982.05 : x
  2. Step 2: Convert to fraction form
    66,055.19/91,146.47 = 36,982.05/x
  3. Step 3: Cross multiply
    66,055.19x = 91,146.47 × 36,982.05
  4. Step 4: Simplify right side
    66,055.19x = 3,370,783,125.95
  5. Step 5: Solve for x
    x = 3,370,783,125.95/66,055.19
  6. Step 6: Final answer
    x = 51,029.80

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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.