Home / 56,051.90-84,081.27-18,615.25

Finding the Fourth Proportional to 56,051.90, 84,081.27 and 18,615.25

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Solution

The fourth proportional to 56,051.90, 84,081.27 and 18,615.25 is: 27,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,051.90 : 84,081.27 = 18,615.25 : x
  2. Step 2: Convert to fraction form
    56,051.90/84,081.27 = 18,615.25/x
  3. Step 3: Cross multiply
    56,051.90x = 84,081.27 × 18,615.25
  4. Step 4: Simplify right side
    56,051.90x = 1,565,193,861.37
  5. Step 5: Solve for x
    x = 1,565,193,861.37/56,051.90
  6. Step 6: Final answer
    x = 27,924.01

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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.