Home / 20,048.49-30,072.59-15,669.63

Finding the Fourth Proportional to 20,048.49, 30,072.59 and 15,669.63

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Solution

The fourth proportional to 20,048.49, 30,072.59 and 15,669.63 is: 23,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.49 : 30,072.59 = 15,669.63 : x
  2. Step 2: Convert to fraction form
    20,048.49/30,072.59 = 15,669.63/x
  3. Step 3: Cross multiply
    20,048.49x = 30,072.59 × 15,669.63
  4. Step 4: Simplify right side
    20,048.49x = 471,226,208.08
  5. Step 5: Solve for x
    x = 471,226,208.08/20,048.49
  6. Step 6: Final answer
    x = 23,504.33

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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.