Home / 30,342.62-41,856.26-19,009.68

Finding the Fourth Proportional to 30,342.62, 41,856.26 and 19,009.68

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Solution

The fourth proportional to 30,342.62, 41,856.26 and 19,009.68 is: 26,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.62 : 41,856.26 = 19,009.68 : x
  2. Step 2: Convert to fraction form
    30,342.62/41,856.26 = 19,009.68/x
  3. Step 3: Cross multiply
    30,342.62x = 41,856.26 × 19,009.68
  4. Step 4: Simplify right side
    30,342.62x = 795,674,108.60
  5. Step 5: Solve for x
    x = 795,674,108.60/30,342.62
  6. Step 6: Final answer
    x = 26,222.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.