Home / 35,420.63-48,879.32-19,504.67

Finding the Fourth Proportional to 35,420.63, 48,879.32 and 19,504.67

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Solution

The fourth proportional to 35,420.63, 48,879.32 and 19,504.67 is: 26,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.63 : 48,879.32 = 19,504.67 : x
  2. Step 2: Convert to fraction form
    35,420.63/48,879.32 = 19,504.67/x
  3. Step 3: Cross multiply
    35,420.63x = 48,879.32 × 19,504.67
  4. Step 4: Simplify right side
    35,420.63x = 953,374,664.50
  5. Step 5: Solve for x
    x = 953,374,664.50/35,420.63
  6. Step 6: Final answer
    x = 26,915.81

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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.