Home / 47,984.10-71,915.40-18,362.40

Finding the Fourth Proportional to 47,984.10, 71,915.40 and 18,362.40

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Solution

The fourth proportional to 47,984.10, 71,915.40 and 18,362.40 is: 27,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,984.10 : 71,915.40 = 18,362.40 : x
  2. Step 2: Convert to fraction form
    47,984.10/71,915.40 = 18,362.40/x
  3. Step 3: Cross multiply
    47,984.10x = 71,915.40 × 18,362.40
  4. Step 4: Simplify right side
    47,984.10x = 1,320,539,340.96
  5. Step 5: Solve for x
    x = 1,320,539,340.96/47,984.10
  6. Step 6: Final answer
    x = 27,520.35

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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.