Home / 49,378.04-74,048.16-17,779.04

Finding the Fourth Proportional to 49,378.04, 74,048.16 and 17,779.04

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Solution

The fourth proportional to 49,378.04, 74,048.16 and 17,779.04 is: 26,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.04 : 74,048.16 = 17,779.04 : x
  2. Step 2: Convert to fraction form
    49,378.04/74,048.16 = 17,779.04/x
  3. Step 3: Cross multiply
    49,378.04x = 74,048.16 × 17,779.04
  4. Step 4: Simplify right side
    49,378.04x = 1,316,505,198.57
  5. Step 5: Solve for x
    x = 1,316,505,198.57/49,378.04
  6. Step 6: Final answer
    x = 26,661.75

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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.