Home / 45,014.36-67,479.78-15,425.16

Finding the Fourth Proportional to 45,014.36, 67,479.78 and 15,425.16

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Solution

The fourth proportional to 45,014.36, 67,479.78 and 15,425.16 is: 23,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,014.36 : 67,479.78 = 15,425.16 : x
  2. Step 2: Convert to fraction form
    45,014.36/67,479.78 = 15,425.16/x
  3. Step 3: Cross multiply
    45,014.36x = 67,479.78 × 15,425.16
  4. Step 4: Simplify right side
    45,014.36x = 1,040,886,403.26
  5. Step 5: Solve for x
    x = 1,040,886,403.26/45,014.36
  6. Step 6: Final answer
    x = 23,123.43

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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.