Home / 30,148.32-45,224.25-10,156.14

Finding the Fourth Proportional to 30,148.32, 45,224.25 and 10,156.14

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Solution

The fourth proportional to 30,148.32, 45,224.25 and 10,156.14 is: 15,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,148.32 : 45,224.25 = 10,156.14 : x
  2. Step 2: Convert to fraction form
    30,148.32/45,224.25 = 10,156.14/x
  3. Step 3: Cross multiply
    30,148.32x = 45,224.25 × 10,156.14
  4. Step 4: Simplify right side
    30,148.32x = 459,303,776.31
  5. Step 5: Solve for x
    x = 459,303,776.31/30,148.32
  6. Step 6: Final answer
    x = 15,234.81

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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.