Home / 45,618.27-68,429.30-15,653.11

Finding the Fourth Proportional to 45,618.27, 68,429.30 and 15,653.11

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Solution

The fourth proportional to 45,618.27, 68,429.30 and 15,653.11 is: 23,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,618.27 : 68,429.30 = 15,653.11 : x
  2. Step 2: Convert to fraction form
    45,618.27/68,429.30 = 15,653.11/x
  3. Step 3: Cross multiply
    45,618.27x = 68,429.30 × 15,653.11
  4. Step 4: Simplify right side
    45,618.27x = 1,071,130,978.84
  5. Step 5: Solve for x
    x = 1,071,130,978.84/45,618.27
  6. Step 6: Final answer
    x = 23,480.31

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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.