Home / 30,415.91-41,970.96-17,495.60

Finding the Fourth Proportional to 30,415.91, 41,970.96 and 17,495.60

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Solution

The fourth proportional to 30,415.91, 41,970.96 and 17,495.60 is: 24,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415.91 : 41,970.96 = 17,495.60 : x
  2. Step 2: Convert to fraction form
    30,415.91/41,970.96 = 17,495.60/x
  3. Step 3: Cross multiply
    30,415.91x = 41,970.96 × 17,495.60
  4. Step 4: Simplify right side
    30,415.91x = 734,306,917.92
  5. Step 5: Solve for x
    x = 734,306,917.92/30,415.91
  6. Step 6: Final answer
    x = 24,142.20

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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.