Home / 45,365.74-68,040.90-13,768.18

Finding the Fourth Proportional to 45,365.74, 68,040.90 and 13,768.18

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Solution

The fourth proportional to 45,365.74, 68,040.90 and 13,768.18 is: 20,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,365.74 : 68,040.90 = 13,768.18 : x
  2. Step 2: Convert to fraction form
    45,365.74/68,040.90 = 13,768.18/x
  3. Step 3: Cross multiply
    45,365.74x = 68,040.90 × 13,768.18
  4. Step 4: Simplify right side
    45,365.74x = 936,799,358.56
  5. Step 5: Solve for x
    x = 936,799,358.56/45,365.74
  6. Step 6: Final answer
    x = 20,649.93

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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.