Home / 39,803.40-59,618.70-25,806.60

Finding the Fourth Proportional to 39,803.40, 59,618.70 and 25,806.60

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Solution

The fourth proportional to 39,803.40, 59,618.70 and 25,806.60 is: 38,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,803.40 : 59,618.70 = 25,806.60 : x
  2. Step 2: Convert to fraction form
    39,803.40/59,618.70 = 25,806.60/x
  3. Step 3: Cross multiply
    39,803.40x = 59,618.70 × 25,806.60
  4. Step 4: Simplify right side
    39,803.40x = 1,538,555,943.42
  5. Step 5: Solve for x
    x = 1,538,555,943.42/39,803.40
  6. Step 6: Final answer
    x = 38,653.88

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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.