Home / 45,145.37-62,310.97-30,038.66

Finding the Fourth Proportional to 45,145.37, 62,310.97 and 30,038.66

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Solution

The fourth proportional to 45,145.37, 62,310.97 and 30,038.66 is: 41,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,145.37 : 62,310.97 = 30,038.66 : x
  2. Step 2: Convert to fraction form
    45,145.37/62,310.97 = 30,038.66/x
  3. Step 3: Cross multiply
    45,145.37x = 62,310.97 × 30,038.66
  4. Step 4: Simplify right side
    45,145.37x = 1,871,738,042.10
  5. Step 5: Solve for x
    x = 1,871,738,042.10/45,145.37
  6. Step 6: Final answer
    x = 41,460.25

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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.