Home / 39,619.47-59,426.20-14,647.84

Finding the Fourth Proportional to 39,619.47, 59,426.20 and 14,647.84

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Solution

The fourth proportional to 39,619.47, 59,426.20 and 14,647.84 is: 21,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619.47 : 59,426.20 = 14,647.84 : x
  2. Step 2: Convert to fraction form
    39,619.47/59,426.20 = 14,647.84/x
  3. Step 3: Cross multiply
    39,619.47x = 59,426.20 × 14,647.84
  4. Step 4: Simplify right side
    39,619.47x = 870,465,469.41
  5. Step 5: Solve for x
    x = 870,465,469.41/39,619.47
  6. Step 6: Final answer
    x = 21,970.65

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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.