Home / 45,248.08-67,880.97-13,660.72

Finding the Fourth Proportional to 45,248.08, 67,880.97 and 13,660.72

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Solution

The fourth proportional to 45,248.08, 67,880.97 and 13,660.72 is: 20,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248.08 : 67,880.97 = 13,660.72 : x
  2. Step 2: Convert to fraction form
    45,248.08/67,880.97 = 13,660.72/x
  3. Step 3: Cross multiply
    45,248.08x = 67,880.97 × 13,660.72
  4. Step 4: Simplify right side
    45,248.08x = 927,302,924.50
  5. Step 5: Solve for x
    x = 927,302,924.50/45,248.08
  6. Step 6: Final answer
    x = 20,493.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.