Home / 45,389.23-68,083.81-13,799.55

Finding the Fourth Proportional to 45,389.23, 68,083.81 and 13,799.55

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Solution

The fourth proportional to 45,389.23, 68,083.81 and 13,799.55 is: 20,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,389.23 : 68,083.81 = 13,799.55 : x
  2. Step 2: Convert to fraction form
    45,389.23/68,083.81 = 13,799.55/x
  3. Step 3: Cross multiply
    45,389.23x = 68,083.81 × 13,799.55
  4. Step 4: Simplify right side
    45,389.23x = 939,525,940.29
  5. Step 5: Solve for x
    x = 939,525,940.29/45,389.23
  6. Step 6: Final answer
    x = 20,699.31

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Similar ratio
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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.