Home / 30,239.32-45,355.36-8,054.32

Finding the Fourth Proportional to 30,239.32, 45,355.36 and 8,054.32

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Solution

The fourth proportional to 30,239.32, 45,355.36 and 8,054.32 is: 12,080.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.32 : 45,355.36 = 8,054.32 : x
  2. Step 2: Convert to fraction form
    30,239.32/45,355.36 = 8,054.32/x
  3. Step 3: Cross multiply
    30,239.32x = 45,355.36 × 8,054.32
  4. Step 4: Simplify right side
    30,239.32x = 365,306,583.16
  5. Step 5: Solve for x
    x = 365,306,583.16/30,239.32
  6. Step 6: Final answer
    x = 12,080.52

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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.