Home / 66,085.44-99,047.52-30,978.24

Finding the Fourth Proportional to 66,085.44, 99,047.52 and 30,978.24

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Solution

The fourth proportional to 66,085.44, 99,047.52 and 30,978.24 is: 46,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,085.44 : 99,047.52 = 30,978.24 : x
  2. Step 2: Convert to fraction form
    66,085.44/99,047.52 = 30,978.24/x
  3. Step 3: Cross multiply
    66,085.44x = 99,047.52 × 30,978.24
  4. Step 4: Simplify right side
    66,085.44x = 3,068,317,845.96
  5. Step 5: Solve for x
    x = 3,068,317,845.96/66,085.44
  6. Step 6: Final answer
    x = 46,429.56

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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.