Home / 30,171.06-45,245.79-10,444.32

Finding the Fourth Proportional to 30,171.06, 45,245.79 and 10,444.32

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Solution

The fourth proportional to 30,171.06, 45,245.79 and 10,444.32 is: 15,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.06 : 45,245.79 = 10,444.32 : x
  2. Step 2: Convert to fraction form
    30,171.06/45,245.79 = 10,444.32/x
  3. Step 3: Cross multiply
    30,171.06x = 45,245.79 × 10,444.32
  4. Step 4: Simplify right side
    30,171.06x = 472,561,509.41
  5. Step 5: Solve for x
    x = 472,561,509.41/30,171.06
  6. Step 6: Final answer
    x = 15,662.74

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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.