Home / 30,394.86-41,947.02-16,968.75

Finding the Fourth Proportional to 30,394.86, 41,947.02 and 16,968.75

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Solution

The fourth proportional to 30,394.86, 41,947.02 and 16,968.75 is: 23,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394.86 : 41,947.02 = 16,968.75 : x
  2. Step 2: Convert to fraction form
    30,394.86/41,947.02 = 16,968.75/x
  3. Step 3: Cross multiply
    30,394.86x = 41,947.02 × 16,968.75
  4. Step 4: Simplify right side
    30,394.86x = 711,788,495.63
  5. Step 5: Solve for x
    x = 711,788,495.63/30,394.86
  6. Step 6: Final answer
    x = 23,418.05

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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.