Home / 67,928.63-93,741.50-39,628.85

Finding the Fourth Proportional to 67,928.63, 93,741.50 and 39,628.85

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Solution

The fourth proportional to 67,928.63, 93,741.50 and 39,628.85 is: 54,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,928.63 : 93,741.50 = 39,628.85 : x
  2. Step 2: Convert to fraction form
    67,928.63/93,741.50 = 39,628.85/x
  3. Step 3: Cross multiply
    67,928.63x = 93,741.50 × 39,628.85
  4. Step 4: Simplify right side
    67,928.63x = 3,714,867,472.64
  5. Step 5: Solve for x
    x = 3,714,867,472.64/67,928.63
  6. Step 6: Final answer
    x = 54,687.81

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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.