Home / 45,497.34-68,246.19-13,907.28

Finding the Fourth Proportional to 45,497.34, 68,246.19 and 13,907.28

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Solution

The fourth proportional to 45,497.34, 68,246.19 and 13,907.28 is: 20,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.34 : 68,246.19 = 13,907.28 : x
  2. Step 2: Convert to fraction form
    45,497.34/68,246.19 = 13,907.28/x
  3. Step 3: Cross multiply
    45,497.34x = 68,246.19 × 13,907.28
  4. Step 4: Simplify right side
    45,497.34x = 949,118,747.51
  5. Step 5: Solve for x
    x = 949,118,747.51/45,497.34
  6. Step 6: Final answer
    x = 20,860.97

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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.