Home / 49,598.70-74,379.01-21,117.60

Finding the Fourth Proportional to 49,598.70, 74,379.01 and 21,117.60

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Solution

The fourth proportional to 49,598.70, 74,379.01 and 21,117.60 is: 31,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,598.70 : 74,379.01 = 21,117.60 : x
  2. Step 2: Convert to fraction form
    49,598.70/74,379.01 = 21,117.60/x
  3. Step 3: Cross multiply
    49,598.70x = 74,379.01 × 21,117.60
  4. Step 4: Simplify right side
    49,598.70x = 1,570,705,836.08
  5. Step 5: Solve for x
    x = 1,570,705,836.08/49,598.70
  6. Step 6: Final answer
    x = 31,668.29

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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.