Home / 77,759.44-116,639.38-21,602.60

Finding the Fourth Proportional to 77,759.44, 116,639.38 and 21,602.60

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Solution

The fourth proportional to 77,759.44, 116,639.38 and 21,602.60 is: 32,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,759.44 : 116,639.38 = 21,602.60 : x
  2. Step 2: Convert to fraction form
    77,759.44/116,639.38 = 21,602.60/x
  3. Step 3: Cross multiply
    77,759.44x = 116,639.38 × 21,602.60
  4. Step 4: Simplify right side
    77,759.44x = 2,519,713,870.39
  5. Step 5: Solve for x
    x = 2,519,713,870.39/77,759.44
  6. Step 6: Final answer
    x = 32,403.96

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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.