Home / 40,621.66-60,915.06-13,970.33

Finding the Fourth Proportional to 40,621.66, 60,915.06 and 13,970.33

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Solution

The fourth proportional to 40,621.66, 60,915.06 and 13,970.33 is: 20,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,621.66 : 60,915.06 = 13,970.33 : x
  2. Step 2: Convert to fraction form
    40,621.66/60,915.06 = 13,970.33/x
  3. Step 3: Cross multiply
    40,621.66x = 60,915.06 × 13,970.33
  4. Step 4: Simplify right side
    40,621.66x = 851,003,414.03
  5. Step 5: Solve for x
    x = 851,003,414.03/40,621.66
  6. Step 6: Final answer
    x = 20,949.50

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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.