Home / 30,030.56-41,442.30-16,601.78

Finding the Fourth Proportional to 30,030.56, 41,442.30 and 16,601.78

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Solution

The fourth proportional to 30,030.56, 41,442.30 and 16,601.78 is: 22,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.56 : 41,442.30 = 16,601.78 : x
  2. Step 2: Convert to fraction form
    30,030.56/41,442.30 = 16,601.78/x
  3. Step 3: Cross multiply
    30,030.56x = 41,442.30 × 16,601.78
  4. Step 4: Simplify right side
    30,030.56x = 688,015,947.29
  5. Step 5: Solve for x
    x = 688,015,947.29/30,030.56
  6. Step 6: Final answer
    x = 22,910.53

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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.