Home / 65,197.08-97,787.40-20,828.52

Finding the Fourth Proportional to 65,197.08, 97,787.40 and 20,828.52

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Solution

The fourth proportional to 65,197.08, 97,787.40 and 20,828.52 is: 31,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,197.08 : 97,787.40 = 20,828.52 : x
  2. Step 2: Convert to fraction form
    65,197.08/97,787.40 = 20,828.52/x
  3. Step 3: Cross multiply
    65,197.08x = 97,787.40 × 20,828.52
  4. Step 4: Simplify right side
    65,197.08x = 2,036,766,816.65
  5. Step 5: Solve for x
    x = 2,036,766,816.65/65,197.08
  6. Step 6: Final answer
    x = 31,240.15

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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.