Home / 46,940.56-70,414.08-13,660.90

Finding the Fourth Proportional to 46,940.56, 70,414.08 and 13,660.90

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Solution

The fourth proportional to 46,940.56, 70,414.08 and 13,660.90 is: 20,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940.56 : 70,414.08 = 13,660.90 : x
  2. Step 2: Convert to fraction form
    46,940.56/70,414.08 = 13,660.90/x
  3. Step 3: Cross multiply
    46,940.56x = 70,414.08 × 13,660.90
  4. Step 4: Simplify right side
    46,940.56x = 961,919,705.47
  5. Step 5: Solve for x
    x = 961,919,705.47/46,940.56
  6. Step 6: Final answer
    x = 20,492.29

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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.