Home / 66,285.74-91,474.49-36,071.05

Finding the Fourth Proportional to 66,285.74, 91,474.49 and 36,071.05

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Solution

The fourth proportional to 66,285.74, 91,474.49 and 36,071.05 is: 49,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.74 : 91,474.49 = 36,071.05 : x
  2. Step 2: Convert to fraction form
    66,285.74/91,474.49 = 36,071.05/x
  3. Step 3: Cross multiply
    66,285.74x = 91,474.49 × 36,071.05
  4. Step 4: Simplify right side
    66,285.74x = 3,299,580,902.51
  5. Step 5: Solve for x
    x = 3,299,580,902.51/66,285.74
  6. Step 6: Final answer
    x = 49,778.14

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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.