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Finding the Fourth Proportional to 33,048.56, 45,607.03 and 18,901.42

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Solution

The fourth proportional to 33,048.56, 45,607.03 and 18,901.42 is: 26,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,048.56 : 45,607.03 = 18,901.42 : x
  2. Step 2: Convert to fraction form
    33,048.56/45,607.03 = 18,901.42/x
  3. Step 3: Cross multiply
    33,048.56x = 45,607.03 × 18,901.42
  4. Step 4: Simplify right side
    33,048.56x = 862,037,467.71
  5. Step 5: Solve for x
    x = 862,037,467.71/33,048.56
  6. Step 6: Final answer
    x = 26,083.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.