Home / 45,633.52-68,420.64-30,003.76

Finding the Fourth Proportional to 45,633.52, 68,420.64 and 30,003.76

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Solution

The fourth proportional to 45,633.52, 68,420.64 and 30,003.76 is: 44,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,633.52 : 68,420.64 = 30,003.76 : x
  2. Step 2: Convert to fraction form
    45,633.52/68,420.64 = 30,003.76/x
  3. Step 3: Cross multiply
    45,633.52x = 68,420.64 × 30,003.76
  4. Step 4: Simplify right side
    45,633.52x = 2,052,876,461.61
  5. Step 5: Solve for x
    x = 2,052,876,461.61/45,633.52
  6. Step 6: Final answer
    x = 44,986.15

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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.