Home / 30,270.92-45,416.58-13,401.60

Finding the Fourth Proportional to 30,270.92, 45,416.58 and 13,401.60

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Solution

The fourth proportional to 30,270.92, 45,416.58 and 13,401.60 is: 20,106.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.92 : 45,416.58 = 13,401.60 : x
  2. Step 2: Convert to fraction form
    30,270.92/45,416.58 = 13,401.60/x
  3. Step 3: Cross multiply
    30,270.92x = 45,416.58 × 13,401.60
  4. Step 4: Simplify right side
    30,270.92x = 608,654,838.53
  5. Step 5: Solve for x
    x = 608,654,838.53/30,270.92
  6. Step 6: Final answer
    x = 20,106.92

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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.