Home / 47,379.88-71,094.48-19,320.64

Finding the Fourth Proportional to 47,379.88, 71,094.48 and 19,320.64

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Solution

The fourth proportional to 47,379.88, 71,094.48 and 19,320.64 is: 28,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,379.88 : 71,094.48 = 19,320.64 : x
  2. Step 2: Convert to fraction form
    47,379.88/71,094.48 = 19,320.64/x
  3. Step 3: Cross multiply
    47,379.88x = 71,094.48 × 19,320.64
  4. Step 4: Simplify right side
    47,379.88x = 1,373,590,854.07
  5. Step 5: Solve for x
    x = 1,373,590,854.07/47,379.88
  6. Step 6: Final answer
    x = 28,991.02

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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.