Home / 64,273.48-96,405.36-19,900.60

Finding the Fourth Proportional to 64,273.48, 96,405.36 and 19,900.60

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Solution

The fourth proportional to 64,273.48, 96,405.36 and 19,900.60 is: 29,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,273.48 : 96,405.36 = 19,900.60 : x
  2. Step 2: Convert to fraction form
    64,273.48/96,405.36 = 19,900.60/x
  3. Step 3: Cross multiply
    64,273.48x = 96,405.36 × 19,900.60
  4. Step 4: Simplify right side
    64,273.48x = 1,918,524,507.22
  5. Step 5: Solve for x
    x = 1,918,524,507.22/64,273.48
  6. Step 6: Final answer
    x = 29,849.40

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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.