Home / 30,173.96-45,246.14-12,401.40

Finding the Fourth Proportional to 30,173.96, 45,246.14 and 12,401.40

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Solution

The fourth proportional to 30,173.96, 45,246.14 and 12,401.40 is: 18,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.96 : 45,246.14 = 12,401.40 : x
  2. Step 2: Convert to fraction form
    30,173.96/45,246.14 = 12,401.40/x
  3. Step 3: Cross multiply
    30,173.96x = 45,246.14 × 12,401.40
  4. Step 4: Simplify right side
    30,173.96x = 561,115,480.60
  5. Step 5: Solve for x
    x = 561,115,480.60/30,173.96
  6. Step 6: Final answer
    x = 18,596.02

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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.