Home / 65,234.80-97,787.40-31,927.60

Finding the Fourth Proportional to 65,234.80, 97,787.40 and 31,927.60

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Solution

The fourth proportional to 65,234.80, 97,787.40 and 31,927.60 is: 47,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,234.80 : 97,787.40 = 31,927.60 : x
  2. Step 2: Convert to fraction form
    65,234.80/97,787.40 = 31,927.60/x
  3. Step 3: Cross multiply
    65,234.80x = 97,787.40 × 31,927.60
  4. Step 4: Simplify right side
    65,234.80x = 3,122,116,992.24
  5. Step 5: Solve for x
    x = 3,122,116,992.24/65,234.80
  6. Step 6: Final answer
    x = 47,859.69

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1.5x scale

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.