Home / 30,346.45-45,533.75-11,620.26

Finding the Fourth Proportional to 30,346.45, 45,533.75 and 11,620.26

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Solution

The fourth proportional to 30,346.45, 45,533.75 and 11,620.26 is: 17,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.45 : 45,533.75 = 11,620.26 : x
  2. Step 2: Convert to fraction form
    30,346.45/45,533.75 = 11,620.26/x
  3. Step 3: Cross multiply
    30,346.45x = 45,533.75 × 11,620.26
  4. Step 4: Simplify right side
    30,346.45x = 529,113,955.67
  5. Step 5: Solve for x
    x = 529,113,955.67/30,346.45
  6. Step 6: Final answer
    x = 17,435.78

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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.