Home / 53,968.82-80,904.22-18,889.34

Finding the Fourth Proportional to 53,968.82, 80,904.22 and 18,889.34

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Solution

The fourth proportional to 53,968.82, 80,904.22 and 18,889.34 is: 28,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,968.82 : 80,904.22 = 18,889.34 : x
  2. Step 2: Convert to fraction form
    53,968.82/80,904.22 = 18,889.34/x
  3. Step 3: Cross multiply
    53,968.82x = 80,904.22 × 18,889.34
  4. Step 4: Simplify right side
    53,968.82x = 1,528,226,867.27
  5. Step 5: Solve for x
    x = 1,528,226,867.27/53,968.82
  6. Step 6: Final answer
    x = 28,316.85

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1.5x scale

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.