Home / 45,690.27-68,541.84-14,102.91

Finding the Fourth Proportional to 45,690.27, 68,541.84 and 14,102.91

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Solution

The fourth proportional to 45,690.27, 68,541.84 and 14,102.91 is: 21,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.27 : 68,541.84 = 14,102.91 : x
  2. Step 2: Convert to fraction form
    45,690.27/68,541.84 = 14,102.91/x
  3. Step 3: Cross multiply
    45,690.27x = 68,541.84 × 14,102.91
  4. Step 4: Simplify right side
    45,690.27x = 966,639,400.75
  5. Step 5: Solve for x
    x = 966,639,400.75/45,690.27
  6. Step 6: Final answer
    x = 21,156.35

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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.