Home / 47,948.40-71,922.60-42,116.40

Finding the Fourth Proportional to 47,948.40, 71,922.60 and 42,116.40

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Solution

The fourth proportional to 47,948.40, 71,922.60 and 42,116.40 is: 63,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.40 : 71,922.60 = 42,116.40 : x
  2. Step 2: Convert to fraction form
    47,948.40/71,922.60 = 42,116.40/x
  3. Step 3: Cross multiply
    47,948.40x = 71,922.60 × 42,116.40
  4. Step 4: Simplify right side
    47,948.40x = 3,029,120,990.64
  5. Step 5: Solve for x
    x = 3,029,120,990.64/47,948.40
  6. Step 6: Final answer
    x = 63,174.60

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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.