Home / 45,436.20-68,227.20-30,710.40

Finding the Fourth Proportional to 45,436.20, 68,227.20 and 30,710.40

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Solution

The fourth proportional to 45,436.20, 68,227.20 and 30,710.40 is: 46,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,436.20 : 68,227.20 = 30,710.40 : x
  2. Step 2: Convert to fraction form
    45,436.20/68,227.20 = 30,710.40/x
  3. Step 3: Cross multiply
    45,436.20x = 68,227.20 × 30,710.40
  4. Step 4: Simplify right side
    45,436.20x = 2,095,284,602.88
  5. Step 5: Solve for x
    x = 2,095,284,602.88/45,436.20
  6. Step 6: Final answer
    x = 46,114.87

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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.