Home / 30,091.58-45,137.28-10,370.12

Finding the Fourth Proportional to 30,091.58, 45,137.28 and 10,370.12

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Solution

The fourth proportional to 30,091.58, 45,137.28 and 10,370.12 is: 15,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.58 : 45,137.28 = 10,370.12 : x
  2. Step 2: Convert to fraction form
    30,091.58/45,137.28 = 10,370.12/x
  3. Step 3: Cross multiply
    30,091.58x = 45,137.28 × 10,370.12
  4. Step 4: Simplify right side
    30,091.58x = 468,079,010.07
  5. Step 5: Solve for x
    x = 468,079,010.07/30,091.58
  6. Step 6: Final answer
    x = 15,555.15

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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.