Home / 45,569.98-68,347.08-20,604.22

Finding the Fourth Proportional to 45,569.98, 68,347.08 and 20,604.22

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Solution

The fourth proportional to 45,569.98, 68,347.08 and 20,604.22 is: 30,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,569.98 : 68,347.08 = 20,604.22 : x
  2. Step 2: Convert to fraction form
    45,569.98/68,347.08 = 20,604.22/x
  3. Step 3: Cross multiply
    45,569.98x = 68,347.08 × 20,604.22
  4. Step 4: Simplify right side
    45,569.98x = 1,408,238,272.68
  5. Step 5: Solve for x
    x = 1,408,238,272.68/45,569.98
  6. Step 6: Final answer
    x = 30,902.76

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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.