Home / 35,747.12-49,333.37-20,640.42

Finding the Fourth Proportional to 35,747.12, 49,333.37 and 20,640.42

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Solution

The fourth proportional to 35,747.12, 49,333.37 and 20,640.42 is: 28,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.12 : 49,333.37 = 20,640.42 : x
  2. Step 2: Convert to fraction form
    35,747.12/49,333.37 = 20,640.42/x
  3. Step 3: Cross multiply
    35,747.12x = 49,333.37 × 20,640.42
  4. Step 4: Simplify right side
    35,747.12x = 1,018,261,402.64
  5. Step 5: Solve for x
    x = 1,018,261,402.64/35,747.12
  6. Step 6: Final answer
    x = 28,485.13

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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.