Home / 35,400.35-48,853.78-19,485.47

Finding the Fourth Proportional to 35,400.35, 48,853.78 and 19,485.47

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Solution

The fourth proportional to 35,400.35, 48,853.78 and 19,485.47 is: 26,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.35 : 48,853.78 = 19,485.47 : x
  2. Step 2: Convert to fraction form
    35,400.35/48,853.78 = 19,485.47/x
  3. Step 3: Cross multiply
    35,400.35x = 48,853.78 × 19,485.47
  4. Step 4: Simplify right side
    35,400.35x = 951,938,571.59
  5. Step 5: Solve for x
    x = 951,938,571.59/35,400.35
  6. Step 6: Final answer
    x = 26,890.66

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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.