Home / 49,336.20-74,004.30-28,254.60

Finding the Fourth Proportional to 49,336.20, 74,004.30 and 28,254.60

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Solution

The fourth proportional to 49,336.20, 74,004.30 and 28,254.60 is: 42,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,336.20 : 74,004.30 = 28,254.60 : x
  2. Step 2: Convert to fraction form
    49,336.20/74,004.30 = 28,254.60/x
  3. Step 3: Cross multiply
    49,336.20x = 74,004.30 × 28,254.60
  4. Step 4: Simplify right side
    49,336.20x = 2,090,961,894.78
  5. Step 5: Solve for x
    x = 2,090,961,894.78/49,336.20
  6. Step 6: Final answer
    x = 42,381.90

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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.