Home / 45,558.16-68,332.16-12,281.54

Finding the Fourth Proportional to 45,558.16, 68,332.16 and 12,281.54

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Solution

The fourth proportional to 45,558.16, 68,332.16 and 12,281.54 is: 18,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,558.16 : 68,332.16 = 12,281.54 : x
  2. Step 2: Convert to fraction form
    45,558.16/68,332.16 = 12,281.54/x
  3. Step 3: Cross multiply
    45,558.16x = 68,332.16 × 12,281.54
  4. Step 4: Simplify right side
    45,558.16x = 839,224,156.33
  5. Step 5: Solve for x
    x = 839,224,156.33/45,558.16
  6. Step 6: Final answer
    x = 18,420.94

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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.