Home / 45,985.52-68,967.35-12,704.86

Finding the Fourth Proportional to 45,985.52, 68,967.35 and 12,704.86

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Solution

The fourth proportional to 45,985.52, 68,967.35 and 12,704.86 is: 19,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,985.52 : 68,967.35 = 12,704.86 : x
  2. Step 2: Convert to fraction form
    45,985.52/68,967.35 = 12,704.86/x
  3. Step 3: Cross multiply
    45,985.52x = 68,967.35 × 12,704.86
  4. Step 4: Simplify right side
    45,985.52x = 876,220,117.96
  5. Step 5: Solve for x
    x = 876,220,117.96/45,985.52
  6. Step 6: Final answer
    x = 19,054.26

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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.