Home / 30,030.54-41,442.14-16,418.63

Finding the Fourth Proportional to 30,030.54, 41,442.14 and 16,418.63

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Solution

The fourth proportional to 30,030.54, 41,442.14 and 16,418.63 is: 22,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.54 : 41,442.14 = 16,418.63 : x
  2. Step 2: Convert to fraction form
    30,030.54/41,442.14 = 16,418.63/x
  3. Step 3: Cross multiply
    30,030.54x = 41,442.14 × 16,418.63
  4. Step 4: Simplify right side
    30,030.54x = 680,423,163.07
  5. Step 5: Solve for x
    x = 680,423,163.07/30,030.54
  6. Step 6: Final answer
    x = 22,657.71

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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.