Home / 30,241.55-41,730.15-16,810.63

Finding the Fourth Proportional to 30,241.55, 41,730.15 and 16,810.63

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Solution

The fourth proportional to 30,241.55, 41,730.15 and 16,810.63 is: 23,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.55 : 41,730.15 = 16,810.63 : x
  2. Step 2: Convert to fraction form
    30,241.55/41,730.15 = 16,810.63/x
  3. Step 3: Cross multiply
    30,241.55x = 41,730.15 × 16,810.63
  4. Step 4: Simplify right side
    30,241.55x = 701,510,111.49
  5. Step 5: Solve for x
    x = 701,510,111.49/30,241.55
  6. Step 6: Final answer
    x = 23,196.90

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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.