Home / 53,298.18-79,905.08-20,014.54

Finding the Fourth Proportional to 53,298.18, 79,905.08 and 20,014.54

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Solution

The fourth proportional to 53,298.18, 79,905.08 and 20,014.54 is: 30,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298.18 : 79,905.08 = 20,014.54 : x
  2. Step 2: Convert to fraction form
    53,298.18/79,905.08 = 20,014.54/x
  3. Step 3: Cross multiply
    53,298.18x = 79,905.08 × 20,014.54
  4. Step 4: Simplify right side
    53,298.18x = 1,599,263,270.14
  5. Step 5: Solve for x
    x = 1,599,263,270.14/53,298.18
  6. Step 6: Final answer
    x = 30,005.96

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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.