Home / 45,365.24-68,040.15-13,767.68

Finding the Fourth Proportional to 45,365.24, 68,040.15 and 13,767.68

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Solution

The fourth proportional to 45,365.24, 68,040.15 and 13,767.68 is: 20,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,365.24 : 68,040.15 = 13,767.68 : x
  2. Step 2: Convert to fraction form
    45,365.24/68,040.15 = 13,767.68/x
  3. Step 3: Cross multiply
    45,365.24x = 68,040.15 × 13,767.68
  4. Step 4: Simplify right side
    45,365.24x = 936,754,672.15
  5. Step 5: Solve for x
    x = 936,754,672.15/45,365.24
  6. Step 6: Final answer
    x = 20,649.17

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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.