Home / 30,408.28-45,597.12-17,762.38

Finding the Fourth Proportional to 30,408.28, 45,597.12 and 17,762.38

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Solution

The fourth proportional to 30,408.28, 45,597.12 and 17,762.38 is: 26,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.28 : 45,597.12 = 17,762.38 : x
  2. Step 2: Convert to fraction form
    30,408.28/45,597.12 = 17,762.38/x
  3. Step 3: Cross multiply
    30,408.28x = 45,597.12 × 17,762.38
  4. Step 4: Simplify right side
    30,408.28x = 809,913,372.35
  5. Step 5: Solve for x
    x = 809,913,372.35/30,408.28
  6. Step 6: Final answer
    x = 26,634.63

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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.