Home / 45,635.34-68,406.48-30,845.76

Finding the Fourth Proportional to 45,635.34, 68,406.48 and 30,845.76

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Solution

The fourth proportional to 45,635.34, 68,406.48 and 30,845.76 is: 46,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,635.34 : 68,406.48 = 30,845.76 : x
  2. Step 2: Convert to fraction form
    45,635.34/68,406.48 = 30,845.76/x
  3. Step 3: Cross multiply
    45,635.34x = 68,406.48 × 30,845.76
  4. Step 4: Simplify right side
    45,635.34x = 2,110,049,864.52
  5. Step 5: Solve for x
    x = 2,110,049,864.52/45,635.34
  6. Step 6: Final answer
    x = 46,237.19

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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.