Home / 47,371.55-71,015.50-19,315.07

Finding the Fourth Proportional to 47,371.55, 71,015.50 and 19,315.07

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Solution

The fourth proportional to 47,371.55, 71,015.50 and 19,315.07 is: 28,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,371.55 : 71,015.50 = 19,315.07 : x
  2. Step 2: Convert to fraction form
    47,371.55/71,015.50 = 19,315.07/x
  3. Step 3: Cross multiply
    47,371.55x = 71,015.50 × 19,315.07
  4. Step 4: Simplify right side
    47,371.55x = 1,371,669,353.59
  5. Step 5: Solve for x
    x = 1,371,669,353.59/47,371.55
  6. Step 6: Final answer
    x = 28,955.55

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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.