Home / 45,218.38-62,393.76-30,133.56

Finding the Fourth Proportional to 45,218.38, 62,393.76 and 30,133.56

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Solution

The fourth proportional to 45,218.38, 62,393.76 and 30,133.56 is: 41,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,218.38 : 62,393.76 = 30,133.56 : x
  2. Step 2: Convert to fraction form
    45,218.38/62,393.76 = 30,133.56/x
  3. Step 3: Cross multiply
    45,218.38x = 62,393.76 × 30,133.56
  4. Step 4: Simplify right side
    45,218.38x = 1,880,146,110.59
  5. Step 5: Solve for x
    x = 1,880,146,110.59/45,218.38
  6. Step 6: Final answer
    x = 41,579.25

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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.