Home / 35,559.20-49,056.48-20,448.44

Finding the Fourth Proportional to 35,559.20, 49,056.48 and 20,448.44

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Solution

The fourth proportional to 35,559.20, 49,056.48 and 20,448.44 is: 28,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,559.20 : 49,056.48 = 20,448.44 : x
  2. Step 2: Convert to fraction form
    35,559.20/49,056.48 = 20,448.44/x
  3. Step 3: Cross multiply
    35,559.20x = 49,056.48 × 20,448.44
  4. Step 4: Simplify right side
    35,559.20x = 1,003,128,487.89
  5. Step 5: Solve for x
    x = 1,003,128,487.89/35,559.20
  6. Step 6: Final answer
    x = 28,210.10

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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.