Home / 30,278.22-41,788.95-17,700.54

Finding the Fourth Proportional to 30,278.22, 41,788.95 and 17,700.54

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Solution

The fourth proportional to 30,278.22, 41,788.95 and 17,700.54 is: 24,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,278.22 : 41,788.95 = 17,700.54 : x
  2. Step 2: Convert to fraction form
    30,278.22/41,788.95 = 17,700.54/x
  3. Step 3: Cross multiply
    30,278.22x = 41,788.95 × 17,700.54
  4. Step 4: Simplify right side
    30,278.22x = 739,686,981.03
  5. Step 5: Solve for x
    x = 739,686,981.03/30,278.22
  6. Step 6: Final answer
    x = 24,429.67

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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.