Home / 47,623.42-71,438.02-19,912.06

Finding the Fourth Proportional to 47,623.42, 71,438.02 and 19,912.06

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Solution

The fourth proportional to 47,623.42, 71,438.02 and 19,912.06 is: 29,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,623.42 : 71,438.02 = 19,912.06 : x
  2. Step 2: Convert to fraction form
    47,623.42/71,438.02 = 19,912.06/x
  3. Step 3: Cross multiply
    47,623.42x = 71,438.02 × 19,912.06
  4. Step 4: Simplify right side
    47,623.42x = 1,422,478,140.52
  5. Step 5: Solve for x
    x = 1,422,478,140.52/47,623.42
  6. Step 6: Final answer
    x = 29,869.30

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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.