Home / 66,214.06-91,376.40-35,999.32

Finding the Fourth Proportional to 66,214.06, 91,376.40 and 35,999.32

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Solution

The fourth proportional to 66,214.06, 91,376.40 and 35,999.32 is: 49,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,214.06 : 91,376.40 = 35,999.32 : x
  2. Step 2: Convert to fraction form
    66,214.06/91,376.40 = 35,999.32/x
  3. Step 3: Cross multiply
    66,214.06x = 91,376.40 × 35,999.32
  4. Step 4: Simplify right side
    66,214.06x = 3,289,488,264.05
  5. Step 5: Solve for x
    x = 3,289,488,264.05/66,214.06
  6. Step 6: Final answer
    x = 49,679.60

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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.