Home / 45,172.54-67,762.41-14,007.34

Finding the Fourth Proportional to 45,172.54, 67,762.41 and 14,007.34

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Solution

The fourth proportional to 45,172.54, 67,762.41 and 14,007.34 is: 21,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.54 : 67,762.41 = 14,007.34 : x
  2. Step 2: Convert to fraction form
    45,172.54/67,762.41 = 14,007.34/x
  3. Step 3: Cross multiply
    45,172.54x = 67,762.41 × 14,007.34
  4. Step 4: Simplify right side
    45,172.54x = 949,171,116.09
  5. Step 5: Solve for x
    x = 949,171,116.09/45,172.54
  6. Step 6: Final answer
    x = 21,012.13

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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.