Home / 64,789.47-97,199.54-20,416.08

Finding the Fourth Proportional to 64,789.47, 97,199.54 and 20,416.08

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Solution

The fourth proportional to 64,789.47, 97,199.54 and 20,416.08 is: 30,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,789.47 : 97,199.54 = 20,416.08 : x
  2. Step 2: Convert to fraction form
    64,789.47/97,199.54 = 20,416.08/x
  3. Step 3: Cross multiply
    64,789.47x = 97,199.54 × 20,416.08
  4. Step 4: Simplify right side
    64,789.47x = 1,984,433,584.60
  5. Step 5: Solve for x
    x = 1,984,433,584.60/64,789.47
  6. Step 6: Final answer
    x = 30,628.95

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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.