Home / 30,376.83-41,918.67-22,416.15

Finding the Fourth Proportional to 30,376.83, 41,918.67 and 22,416.15

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Solution

The fourth proportional to 30,376.83, 41,918.67 and 22,416.15 is: 30,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.83 : 41,918.67 = 22,416.15 : x
  2. Step 2: Convert to fraction form
    30,376.83/41,918.67 = 22,416.15/x
  3. Step 3: Cross multiply
    30,376.83x = 41,918.67 × 22,416.15
  4. Step 4: Simplify right side
    30,376.83x = 939,655,194.52
  5. Step 5: Solve for x
    x = 939,655,194.52/30,376.83
  6. Step 6: Final answer
    x = 30,933.29

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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.