Home / 49,765.79-68,659.75-28,252.50

Finding the Fourth Proportional to 49,765.79, 68,659.75 and 28,252.50

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Solution

The fourth proportional to 49,765.79, 68,659.75 and 28,252.50 is: 38,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,765.79 : 68,659.75 = 28,252.50 : x
  2. Step 2: Convert to fraction form
    49,765.79/68,659.75 = 28,252.50/x
  3. Step 3: Cross multiply
    49,765.79x = 68,659.75 × 28,252.50
  4. Step 4: Simplify right side
    49,765.79x = 1,939,809,364.72
  5. Step 5: Solve for x
    x = 1,939,809,364.72/49,765.79
  6. Step 6: Final answer
    x = 38,978.77

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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.