Home / 30,240.55-41,728.77-16,809.63

Finding the Fourth Proportional to 30,240.55, 41,728.77 and 16,809.63

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Solution

The fourth proportional to 30,240.55, 41,728.77 and 16,809.63 is: 23,195.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.55 : 41,728.77 = 16,809.63 : x
  2. Step 2: Convert to fraction form
    30,240.55/41,728.77 = 16,809.63/x
  3. Step 3: Cross multiply
    30,240.55x = 41,728.77 × 16,809.63
  4. Step 4: Simplify right side
    30,240.55x = 701,445,184.06
  5. Step 5: Solve for x
    x = 701,445,184.06/30,240.55
  6. Step 6: Final answer
    x = 23,195.52

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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.