Home / 51,018.34-76,559.91-19,853.86

Finding the Fourth Proportional to 51,018.34, 76,559.91 and 19,853.86

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Solution

The fourth proportional to 51,018.34, 76,559.91 and 19,853.86 is: 29,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.34 : 76,559.91 = 19,853.86 : x
  2. Step 2: Convert to fraction form
    51,018.34/76,559.91 = 19,853.86/x
  3. Step 3: Cross multiply
    51,018.34x = 76,559.91 × 19,853.86
  4. Step 4: Simplify right side
    51,018.34x = 1,520,009,734.75
  5. Step 5: Solve for x
    x = 1,520,009,734.75/51,018.34
  6. Step 6: Final answer
    x = 29,793.40

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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.