Home / 49,678.83-74,518.25-28,887.75

Finding the Fourth Proportional to 49,678.83, 74,518.25 and 28,887.75

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Solution

The fourth proportional to 49,678.83, 74,518.25 and 28,887.75 is: 43,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.83 : 74,518.25 = 28,887.75 : x
  2. Step 2: Convert to fraction form
    49,678.83/74,518.25 = 28,887.75/x
  3. Step 3: Cross multiply
    49,678.83x = 74,518.25 × 28,887.75
  4. Step 4: Simplify right side
    49,678.83x = 2,152,664,432.00
  5. Step 5: Solve for x
    x = 2,152,664,432.00/49,678.83
  6. Step 6: Final answer
    x = 43,331.63

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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.