Home / 34,087.76-51,143.96-11,904.40

Finding the Fourth Proportional to 34,087.76, 51,143.96 and 11,904.40

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Solution

The fourth proportional to 34,087.76, 51,143.96 and 11,904.40 is: 17,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,087.76 : 51,143.96 = 11,904.40 : x
  2. Step 2: Convert to fraction form
    34,087.76/51,143.96 = 11,904.40/x
  3. Step 3: Cross multiply
    34,087.76x = 51,143.96 × 11,904.40
  4. Step 4: Simplify right side
    34,087.76x = 608,838,157.42
  5. Step 5: Solve for x
    x = 608,838,157.42/34,087.76
  6. Step 6: Final answer
    x = 17,860.90

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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.