Home / 65,022.54-89,731.35-35,214.54

Finding the Fourth Proportional to 65,022.54, 89,731.35 and 35,214.54

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Solution

The fourth proportional to 65,022.54, 89,731.35 and 35,214.54 is: 48,596.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,022.54 : 89,731.35 = 35,214.54 : x
  2. Step 2: Convert to fraction form
    65,022.54/89,731.35 = 35,214.54/x
  3. Step 3: Cross multiply
    65,022.54x = 89,731.35 × 35,214.54
  4. Step 4: Simplify right side
    65,022.54x = 3,159,848,213.83
  5. Step 5: Solve for x
    x = 3,159,848,213.83/65,022.54
  6. Step 6: Final answer
    x = 48,596.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.