Home / 35,927.63-49,581.37-20,820.32

Finding the Fourth Proportional to 35,927.63, 49,581.37 and 20,820.32

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Solution

The fourth proportional to 35,927.63, 49,581.37 and 20,820.32 is: 28,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,927.63 : 49,581.37 = 20,820.32 : x
  2. Step 2: Convert to fraction form
    35,927.63/49,581.37 = 20,820.32/x
  3. Step 3: Cross multiply
    35,927.63x = 49,581.37 × 20,820.32
  4. Step 4: Simplify right side
    35,927.63x = 1,032,299,989.44
  5. Step 5: Solve for x
    x = 1,032,299,989.44/35,927.63
  6. Step 6: Final answer
    x = 28,732.76

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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.