Home / 53,374.60-79,999.37-21,764.93

Finding the Fourth Proportional to 53,374.60, 79,999.37 and 21,764.93

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Solution

The fourth proportional to 53,374.60, 79,999.37 and 21,764.93 is: 32,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,374.60 : 79,999.37 = 21,764.93 : x
  2. Step 2: Convert to fraction form
    53,374.60/79,999.37 = 21,764.93/x
  3. Step 3: Cross multiply
    53,374.60x = 79,999.37 × 21,764.93
  4. Step 4: Simplify right side
    53,374.60x = 1,741,180,779.27
  5. Step 5: Solve for x
    x = 1,741,180,779.27/53,374.60
  6. Step 6: Final answer
    x = 32,621.90

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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.