Home / 65,595.51-98,405.82-21,228.57

Finding the Fourth Proportional to 65,595.51, 98,405.82 and 21,228.57

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Solution

The fourth proportional to 65,595.51, 98,405.82 and 21,228.57 is: 31,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,595.51 : 98,405.82 = 21,228.57 : x
  2. Step 2: Convert to fraction form
    65,595.51/98,405.82 = 21,228.57/x
  3. Step 3: Cross multiply
    65,595.51x = 98,405.82 × 21,228.57
  4. Step 4: Simplify right side
    65,595.51x = 2,089,014,838.28
  5. Step 5: Solve for x
    x = 2,089,014,838.28/65,595.51
  6. Step 6: Final answer
    x = 31,846.92

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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.