Home / 64,130.05-96,196.74-30,388.20

Finding the Fourth Proportional to 64,130.05, 96,196.74 and 30,388.20

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Solution

The fourth proportional to 64,130.05, 96,196.74 and 30,388.20 is: 45,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,130.05 : 96,196.74 = 30,388.20 : x
  2. Step 2: Convert to fraction form
    64,130.05/96,196.74 = 30,388.20/x
  3. Step 3: Cross multiply
    64,130.05x = 96,196.74 × 30,388.20
  4. Step 4: Simplify right side
    64,130.05x = 2,923,245,774.47
  5. Step 5: Solve for x
    x = 2,923,245,774.47/64,130.05
  6. Step 6: Final answer
    x = 45,583.09

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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.