Home / 64,627.20-96,940.62-20,254.14

Finding the Fourth Proportional to 64,627.20, 96,940.62 and 20,254.14

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Solution

The fourth proportional to 64,627.20, 96,940.62 and 20,254.14 is: 30,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,627.20 : 96,940.62 = 20,254.14 : x
  2. Step 2: Convert to fraction form
    64,627.20/96,940.62 = 20,254.14/x
  3. Step 3: Cross multiply
    64,627.20x = 96,940.62 × 20,254.14
  4. Step 4: Simplify right side
    64,627.20x = 1,963,448,889.17
  5. Step 5: Solve for x
    x = 1,963,448,889.17/64,627.20
  6. Step 6: Final answer
    x = 30,381.15

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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.