Home / 49,329.60-74,018.70-28,285.80

Finding the Fourth Proportional to 49,329.60, 74,018.70 and 28,285.80

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Solution

The fourth proportional to 49,329.60, 74,018.70 and 28,285.80 is: 42,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,329.60 : 74,018.70 = 28,285.80 : x
  2. Step 2: Convert to fraction form
    49,329.60/74,018.70 = 28,285.80/x
  3. Step 3: Cross multiply
    49,329.60x = 74,018.70 × 28,285.80
  4. Step 4: Simplify right side
    49,329.60x = 2,093,678,144.46
  5. Step 5: Solve for x
    x = 2,093,678,144.46/49,329.60
  6. Step 6: Final answer
    x = 42,442.63

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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.