Home / 35,771.89-49,367.45-19,856.60

Finding the Fourth Proportional to 35,771.89, 49,367.45 and 19,856.60

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Solution

The fourth proportional to 35,771.89, 49,367.45 and 19,856.60 is: 27,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.89 : 49,367.45 = 19,856.60 : x
  2. Step 2: Convert to fraction form
    35,771.89/49,367.45 = 19,856.60/x
  3. Step 3: Cross multiply
    35,771.89x = 49,367.45 × 19,856.60
  4. Step 4: Simplify right side
    35,771.89x = 980,269,707.67
  5. Step 5: Solve for x
    x = 980,269,707.67/35,771.89
  6. Step 6: Final answer
    x = 27,403.35

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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.