Home / 48,629.72-72,915.39-19,012.25

Finding the Fourth Proportional to 48,629.72, 72,915.39 and 19,012.25

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Solution

The fourth proportional to 48,629.72, 72,915.39 and 19,012.25 is: 28,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,629.72 : 72,915.39 = 19,012.25 : x
  2. Step 2: Convert to fraction form
    48,629.72/72,915.39 = 19,012.25/x
  3. Step 3: Cross multiply
    48,629.72x = 72,915.39 × 19,012.25
  4. Step 4: Simplify right side
    48,629.72x = 1,386,285,258.95
  5. Step 5: Solve for x
    x = 1,386,285,258.95/48,629.72
  6. Step 6: Final answer
    x = 28,506.96

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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.