Home / 45,618.81-68,465.08-19,342.01

Finding the Fourth Proportional to 45,618.81, 68,465.08 and 19,342.01

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Solution

The fourth proportional to 45,618.81, 68,465.08 and 19,342.01 is: 29,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,618.81 : 68,465.08 = 19,342.01 : x
  2. Step 2: Convert to fraction form
    45,618.81/68,465.08 = 19,342.01/x
  3. Step 3: Cross multiply
    45,618.81x = 68,465.08 × 19,342.01
  4. Step 4: Simplify right side
    45,618.81x = 1,324,252,042.49
  5. Step 5: Solve for x
    x = 1,324,252,042.49/45,618.81
  6. Step 6: Final answer
    x = 29,028.64

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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.