Home / 30,030.18-41,442.83-19,941.23

Finding the Fourth Proportional to 30,030.18, 41,442.83 and 19,941.23

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Solution

The fourth proportional to 30,030.18, 41,442.83 and 19,941.23 is: 27,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030.18 : 41,442.83 = 19,941.23 : x
  2. Step 2: Convert to fraction form
    30,030.18/41,442.83 = 19,941.23/x
  3. Step 3: Cross multiply
    30,030.18x = 41,442.83 × 19,941.23
  4. Step 4: Simplify right side
    30,030.18x = 826,420,697.96
  5. Step 5: Solve for x
    x = 826,420,697.96/30,030.18
  6. Step 6: Final answer
    x = 27,519.67

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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.