Home / 35,956.90-49,620.36-20,858.32

Finding the Fourth Proportional to 35,956.90, 49,620.36 and 20,858.32

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Solution

The fourth proportional to 35,956.90, 49,620.36 and 20,858.32 is: 28,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,956.90 : 49,620.36 = 20,858.32 : x
  2. Step 2: Convert to fraction form
    35,956.90/49,620.36 = 20,858.32/x
  3. Step 3: Cross multiply
    35,956.90x = 49,620.36 × 20,858.32
  4. Step 4: Simplify right side
    35,956.90x = 1,034,997,347.40
  5. Step 5: Solve for x
    x = 1,034,997,347.40/35,956.90
  6. Step 6: Final answer
    x = 28,784.39

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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.