Home / 51,051.24-76,474.80-39,902.40

Finding the Fourth Proportional to 51,051.24, 76,474.80 and 39,902.40

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Solution

The fourth proportional to 51,051.24, 76,474.80 and 39,902.40 is: 59,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.24 : 76,474.80 = 39,902.40 : x
  2. Step 2: Convert to fraction form
    51,051.24/76,474.80 = 39,902.40/x
  3. Step 3: Cross multiply
    51,051.24x = 76,474.80 × 39,902.40
  4. Step 4: Simplify right side
    51,051.24x = 3,051,528,059.52
  5. Step 5: Solve for x
    x = 3,051,528,059.52/51,051.24
  6. Step 6: Final answer
    x = 59,773.83

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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.