Home / 30,422.57-45,636.26-10,705.55

Finding the Fourth Proportional to 30,422.57, 45,636.26 and 10,705.55

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Solution

The fourth proportional to 30,422.57, 45,636.26 and 10,705.55 is: 16,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422.57 : 45,636.26 = 10,705.55 : x
  2. Step 2: Convert to fraction form
    30,422.57/45,636.26 = 10,705.55/x
  3. Step 3: Cross multiply
    30,422.57x = 45,636.26 × 10,705.55
  4. Step 4: Simplify right side
    30,422.57x = 488,560,981.53
  5. Step 5: Solve for x
    x = 488,560,981.53/30,422.57
  6. Step 6: Final answer
    x = 16,059.16

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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.