Home / 45,411.63-68,128.38-14,246.88

Finding the Fourth Proportional to 45,411.63, 68,128.38 and 14,246.88

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Solution

The fourth proportional to 45,411.63, 68,128.38 and 14,246.88 is: 21,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,411.63 : 68,128.38 = 14,246.88 : x
  2. Step 2: Convert to fraction form
    45,411.63/68,128.38 = 14,246.88/x
  3. Step 3: Cross multiply
    45,411.63x = 68,128.38 × 14,246.88
  4. Step 4: Simplify right side
    45,411.63x = 970,616,442.58
  5. Step 5: Solve for x
    x = 970,616,442.58/45,411.63
  6. Step 6: Final answer
    x = 21,373.74

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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.