Home / 48,316.96-72,410.10-21,645.28

Finding the Fourth Proportional to 48,316.96, 72,410.10 and 21,645.28

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Solution

The fourth proportional to 48,316.96, 72,410.10 and 21,645.28 is: 32,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,316.96 : 72,410.10 = 21,645.28 : x
  2. Step 2: Convert to fraction form
    48,316.96/72,410.10 = 21,645.28/x
  3. Step 3: Cross multiply
    48,316.96x = 72,410.10 × 21,645.28
  4. Step 4: Simplify right side
    48,316.96x = 1,567,336,889.33
  5. Step 5: Solve for x
    x = 1,567,336,889.33/48,316.96
  6. Step 6: Final answer
    x = 32,438.65

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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.