Home / 45,968.52-68,956.77-12,688.59

Finding the Fourth Proportional to 45,968.52, 68,956.77 and 12,688.59

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Solution

The fourth proportional to 45,968.52, 68,956.77 and 12,688.59 is: 19,033.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.52 : 68,956.77 = 12,688.59 : x
  2. Step 2: Convert to fraction form
    45,968.52/68,956.77 = 12,688.59/x
  3. Step 3: Cross multiply
    45,968.52x = 68,956.77 × 12,688.59
  4. Step 4: Simplify right side
    45,968.52x = 874,964,182.25
  5. Step 5: Solve for x
    x = 874,964,182.25/45,968.52
  6. Step 6: Final answer
    x = 19,033.99

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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.