Home / 30,093.58-45,140.28-10,372.12

Finding the Fourth Proportional to 30,093.58, 45,140.28 and 10,372.12

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Solution

The fourth proportional to 30,093.58, 45,140.28 and 10,372.12 is: 15,558.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,093.58 : 45,140.28 = 10,372.12 : x
  2. Step 2: Convert to fraction form
    30,093.58/45,140.28 = 10,372.12/x
  3. Step 3: Cross multiply
    30,093.58x = 45,140.28 × 10,372.12
  4. Step 4: Simplify right side
    30,093.58x = 468,200,400.99
  5. Step 5: Solve for x
    x = 468,200,400.99/30,093.58
  6. Step 6: Final answer
    x = 15,558.15

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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.