Home / 30,316.32-45,465.84-11,844

Finding the Fourth Proportional to 30,316.32, 45,465.84 and 11,844

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Solution

The fourth proportional to 30,316.32, 45,465.84 and 11,844 is: 17,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.32 : 45,465.84 = 11,844 : x
  2. Step 2: Convert to fraction form
    30,316.32/45,465.84 = 11,844/x
  3. Step 3: Cross multiply
    30,316.32x = 45,465.84 × 11,844
  4. Step 4: Simplify right side
    30,316.32x = 538,497,408.96
  5. Step 5: Solve for x
    x = 538,497,408.96/30,316.32
  6. Step 6: Final answer
    x = 17,762.62

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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.