Home / 30,888.25-42,625.88-16,741.15

Finding the Fourth Proportional to 30,888.25, 42,625.88 and 16,741.15

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Solution

The fourth proportional to 30,888.25, 42,625.88 and 16,741.15 is: 23,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.25 : 42,625.88 = 16,741.15 : x
  2. Step 2: Convert to fraction form
    30,888.25/42,625.88 = 16,741.15/x
  3. Step 3: Cross multiply
    30,888.25x = 42,625.88 × 16,741.15
  4. Step 4: Simplify right side
    30,888.25x = 713,606,250.96
  5. Step 5: Solve for x
    x = 713,606,250.96/30,888.25
  6. Step 6: Final answer
    x = 23,102.84

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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.