Home / 45,876.64-68,825.76-14,285.12

Finding the Fourth Proportional to 45,876.64, 68,825.76 and 14,285.12

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Solution

The fourth proportional to 45,876.64, 68,825.76 and 14,285.12 is: 21,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,876.64 : 68,825.76 = 14,285.12 : x
  2. Step 2: Convert to fraction form
    45,876.64/68,825.76 = 14,285.12/x
  3. Step 3: Cross multiply
    45,876.64x = 68,825.76 × 14,285.12
  4. Step 4: Simplify right side
    45,876.64x = 983,184,240.69
  5. Step 5: Solve for x
    x = 983,184,240.69/45,876.64
  6. Step 6: Final answer
    x = 21,431.04

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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.