Home / 37,940.40-56,910.60-28,098.90

Finding the Fourth Proportional to 37,940.40, 56,910.60 and 28,098.90

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Solution

The fourth proportional to 37,940.40, 56,910.60 and 28,098.90 is: 42,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,940.40 : 56,910.60 = 28,098.90 : x
  2. Step 2: Convert to fraction form
    37,940.40/56,910.60 = 28,098.90/x
  3. Step 3: Cross multiply
    37,940.40x = 56,910.60 × 28,098.90
  4. Step 4: Simplify right side
    37,940.40x = 1,599,125,258.34
  5. Step 5: Solve for x
    x = 1,599,125,258.34/37,940.40
  6. Step 6: Final answer
    x = 42,148.35

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1.5x scale

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.