Home / 30,261.63-41,757.08-16,830.21

Finding the Fourth Proportional to 30,261.63, 41,757.08 and 16,830.21

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Solution

The fourth proportional to 30,261.63, 41,757.08 and 16,830.21 is: 23,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.63 : 41,757.08 = 16,830.21 : x
  2. Step 2: Convert to fraction form
    30,261.63/41,757.08 = 16,830.21/x
  3. Step 3: Cross multiply
    30,261.63x = 41,757.08 × 16,830.21
  4. Step 4: Simplify right side
    30,261.63x = 702,780,341.24
  5. Step 5: Solve for x
    x = 702,780,341.24/30,261.63
  6. Step 6: Final answer
    x = 23,223.48

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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.