Home / 45,436.41-62,754.75-30,302.78

Finding the Fourth Proportional to 45,436.41, 62,754.75 and 30,302.78

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Solution

The fourth proportional to 45,436.41, 62,754.75 and 30,302.78 is: 41,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,436.41 : 62,754.75 = 30,302.78 : x
  2. Step 2: Convert to fraction form
    45,436.41/62,754.75 = 30,302.78/x
  3. Step 3: Cross multiply
    45,436.41x = 62,754.75 × 30,302.78
  4. Step 4: Simplify right side
    45,436.41x = 1,901,643,069.43
  5. Step 5: Solve for x
    x = 1,901,643,069.43/45,436.41
  6. Step 6: Final answer
    x = 41,852.85

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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.