Home / 66,144-91,277.70-35,929.68

Finding the Fourth Proportional to 66,144, 91,277.70 and 35,929.68

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Solution

The fourth proportional to 66,144, 91,277.70 and 35,929.68 is: 49,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,144 : 91,277.70 = 35,929.68 : x
  2. Step 2: Convert to fraction form
    66,144/91,277.70 = 35,929.68/x
  3. Step 3: Cross multiply
    66,144x = 91,277.70 × 35,929.68
  4. Step 4: Simplify right side
    66,144x = 3,279,578,552.14
  5. Step 5: Solve for x
    x = 3,279,578,552.14/66,144
  6. Step 6: Final answer
    x = 49,582.40

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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.