Home / 65,256.28-97,876.08-20,879.32

Finding the Fourth Proportional to 65,256.28, 97,876.08 and 20,879.32

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Solution

The fourth proportional to 65,256.28, 97,876.08 and 20,879.32 is: 31,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,256.28 : 97,876.08 = 20,879.32 : x
  2. Step 2: Convert to fraction form
    65,256.28/97,876.08 = 20,879.32/x
  3. Step 3: Cross multiply
    65,256.28x = 97,876.08 × 20,879.32
  4. Step 4: Simplify right side
    65,256.28x = 2,043,585,994.67
  5. Step 5: Solve for x
    x = 2,043,585,994.67/65,256.28
  6. Step 6: Final answer
    x = 31,316.31

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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.