Home / 30,028.32-45,027.16-10,030.60

Finding the Fourth Proportional to 30,028.32, 45,027.16 and 10,030.60

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Solution

The fourth proportional to 30,028.32, 45,027.16 and 10,030.60 is: 15,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.32 : 45,027.16 = 10,030.60 : x
  2. Step 2: Convert to fraction form
    30,028.32/45,027.16 = 10,030.60/x
  3. Step 3: Cross multiply
    30,028.32x = 45,027.16 × 10,030.60
  4. Step 4: Simplify right side
    30,028.32x = 451,649,462.30
  5. Step 5: Solve for x
    x = 451,649,462.30/30,028.32
  6. Step 6: Final answer
    x = 15,040.78

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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.