Home / 64,131.42-96,180.62-30,364.14

Finding the Fourth Proportional to 64,131.42, 96,180.62 and 30,364.14

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Solution

The fourth proportional to 64,131.42, 96,180.62 and 30,364.14 is: 45,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.42 : 96,180.62 = 30,364.14 : x
  2. Step 2: Convert to fraction form
    64,131.42/96,180.62 = 30,364.14/x
  3. Step 3: Cross multiply
    64,131.42x = 96,180.62 × 30,364.14
  4. Step 4: Simplify right side
    64,131.42x = 2,920,441,810.97
  5. Step 5: Solve for x
    x = 2,920,441,810.97/64,131.42
  6. Step 6: Final answer
    x = 45,538.39

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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.