Home / 20,051.44-30,088.48-7,579.92

Finding the Fourth Proportional to 20,051.44, 30,088.48 and 7,579.92

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Solution

The fourth proportional to 20,051.44, 30,088.48 and 7,579.92 is: 11,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.44 : 30,088.48 = 7,579.92 : x
  2. Step 2: Convert to fraction form
    20,051.44/30,088.48 = 7,579.92/x
  3. Step 3: Cross multiply
    20,051.44x = 30,088.48 × 7,579.92
  4. Step 4: Simplify right side
    20,051.44x = 228,068,271.32
  5. Step 5: Solve for x
    x = 228,068,271.32/20,051.44
  6. Step 6: Final answer
    x = 11,374.16

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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.