Home / 34,173.20-51,259.80-31,111.40

Finding the Fourth Proportional to 34,173.20, 51,259.80 and 31,111.40

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Solution

The fourth proportional to 34,173.20, 51,259.80 and 31,111.40 is: 46,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.20 : 51,259.80 = 31,111.40 : x
  2. Step 2: Convert to fraction form
    34,173.20/51,259.80 = 31,111.40/x
  3. Step 3: Cross multiply
    34,173.20x = 51,259.80 × 31,111.40
  4. Step 4: Simplify right side
    34,173.20x = 1,594,764,141.72
  5. Step 5: Solve for x
    x = 1,594,764,141.72/34,173.20
  6. Step 6: Final answer
    x = 46,667.10

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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.