Home / 41,012.48-61,518.72-11,430.40

Finding the Fourth Proportional to 41,012.48, 61,518.72 and 11,430.40

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Solution

The fourth proportional to 41,012.48, 61,518.72 and 11,430.40 is: 17,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,012.48 : 61,518.72 = 11,430.40 : x
  2. Step 2: Convert to fraction form
    41,012.48/61,518.72 = 11,430.40/x
  3. Step 3: Cross multiply
    41,012.48x = 61,518.72 × 11,430.40
  4. Step 4: Simplify right side
    41,012.48x = 703,183,577.09
  5. Step 5: Solve for x
    x = 703,183,577.09/41,012.48
  6. Step 6: Final answer
    x = 17,145.60

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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.