Home / 35,743.01-49,327.58-20,638.43

Finding the Fourth Proportional to 35,743.01, 49,327.58 and 20,638.43

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Solution

The fourth proportional to 35,743.01, 49,327.58 and 20,638.43 is: 28,482.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,743.01 : 49,327.58 = 20,638.43 : x
  2. Step 2: Convert to fraction form
    35,743.01/49,327.58 = 20,638.43/x
  3. Step 3: Cross multiply
    35,743.01x = 49,327.58 × 20,638.43
  4. Step 4: Simplify right side
    35,743.01x = 1,018,043,796.84
  5. Step 5: Solve for x
    x = 1,018,043,796.84/35,743.01
  6. Step 6: Final answer
    x = 28,482.32

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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.