Home / 30,522.40-45,697.12-19,401.44

Finding the Fourth Proportional to 30,522.40, 45,697.12 and 19,401.44

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Solution

The fourth proportional to 30,522.40, 45,697.12 and 19,401.44 is: 29,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.40 : 45,697.12 = 19,401.44 : x
  2. Step 2: Convert to fraction form
    30,522.40/45,697.12 = 19,401.44/x
  3. Step 3: Cross multiply
    30,522.40x = 45,697.12 × 19,401.44
  4. Step 4: Simplify right side
    30,522.40x = 886,589,931.85
  5. Step 5: Solve for x
    x = 886,589,931.85/30,522.40
  6. Step 6: Final answer
    x = 29,047.19

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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.