Home / 65,913.68-98,824.44-39,628.88

Finding the Fourth Proportional to 65,913.68, 98,824.44 and 39,628.88

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Solution

The fourth proportional to 65,913.68, 98,824.44 and 39,628.88 is: 59,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,913.68 : 98,824.44 = 39,628.88 : x
  2. Step 2: Convert to fraction form
    65,913.68/98,824.44 = 39,628.88/x
  3. Step 3: Cross multiply
    65,913.68x = 98,824.44 × 39,628.88
  4. Step 4: Simplify right side
    65,913.68x = 3,916,301,873.83
  5. Step 5: Solve for x
    x = 3,916,301,873.83/65,913.68
  6. Step 6: Final answer
    x = 59,415.62

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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.