Home / 56,260.37-77,638.20-30,766.03

Finding the Fourth Proportional to 56,260.37, 77,638.20 and 30,766.03

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Solution

The fourth proportional to 56,260.37, 77,638.20 and 30,766.03 is: 42,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,260.37 : 77,638.20 = 30,766.03 : x
  2. Step 2: Convert to fraction form
    56,260.37/77,638.20 = 30,766.03/x
  3. Step 3: Cross multiply
    56,260.37x = 77,638.20 × 30,766.03
  4. Step 4: Simplify right side
    56,260.37x = 2,388,618,880.88
  5. Step 5: Solve for x
    x = 2,388,618,880.88/56,260.37
  6. Step 6: Final answer
    x = 42,456.51

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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.