Home / 45,015.09-62,112.31-27,111.25

Finding the Fourth Proportional to 45,015.09, 62,112.31 and 27,111.25

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Solution

The fourth proportional to 45,015.09, 62,112.31 and 27,111.25 is: 37,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,015.09 : 62,112.31 = 27,111.25 : x
  2. Step 2: Convert to fraction form
    45,015.09/62,112.31 = 27,111.25/x
  3. Step 3: Cross multiply
    45,015.09x = 62,112.31 × 27,111.25
  4. Step 4: Simplify right side
    45,015.09x = 1,683,942,364.49
  5. Step 5: Solve for x
    x = 1,683,942,364.49/45,015.09
  6. Step 6: Final answer
    x = 37,408.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.