Home / 30,403.01-45,573.32-11,678.00

Finding the Fourth Proportional to 30,403.01, 45,573.32 and 11,678.00

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Solution

The fourth proportional to 30,403.01, 45,573.32 and 11,678.00 is: 17,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.01 : 45,573.32 = 11,678.00 : x
  2. Step 2: Convert to fraction form
    30,403.01/45,573.32 = 11,678.00/x
  3. Step 3: Cross multiply
    30,403.01x = 45,573.32 × 11,678.00
  4. Step 4: Simplify right side
    30,403.01x = 532,204,944.70
  5. Step 5: Solve for x
    x = 532,204,944.70/30,403.01
  6. Step 6: Final answer
    x = 17,505.01

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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.