Home / 35,349.37-48,779.22-20,811.24

Finding the Fourth Proportional to 35,349.37, 48,779.22 and 20,811.24

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Solution

The fourth proportional to 35,349.37, 48,779.22 and 20,811.24 is: 28,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.37 : 48,779.22 = 20,811.24 : x
  2. Step 2: Convert to fraction form
    35,349.37/48,779.22 = 20,811.24/x
  3. Step 3: Cross multiply
    35,349.37x = 48,779.22 × 20,811.24
  4. Step 4: Simplify right side
    35,349.37x = 1,015,156,054.43
  5. Step 5: Solve for x
    x = 1,015,156,054.43/35,349.37
  6. Step 6: Final answer
    x = 28,717.80

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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.