Home / 49,980.64-74,974.56-14,920.60

Finding the Fourth Proportional to 49,980.64, 74,974.56 and 14,920.60

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Solution

The fourth proportional to 49,980.64, 74,974.56 and 14,920.60 is: 22,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,980.64 : 74,974.56 = 14,920.60 : x
  2. Step 2: Convert to fraction form
    49,980.64/74,974.56 = 14,920.60/x
  3. Step 3: Cross multiply
    49,980.64x = 74,974.56 × 14,920.60
  4. Step 4: Simplify right side
    49,980.64x = 1,118,665,419.94
  5. Step 5: Solve for x
    x = 1,118,665,419.94/49,980.64
  6. Step 6: Final answer
    x = 22,381.97

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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.