Home / 41,028.78-56,564.87-30,776.23

Finding the Fourth Proportional to 41,028.78, 56,564.87 and 30,776.23

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Solution

The fourth proportional to 41,028.78, 56,564.87 and 30,776.23 is: 42,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,028.78 : 56,564.87 = 30,776.23 : x
  2. Step 2: Convert to fraction form
    41,028.78/56,564.87 = 30,776.23/x
  3. Step 3: Cross multiply
    41,028.78x = 56,564.87 × 30,776.23
  4. Step 4: Simplify right side
    41,028.78x = 1,740,853,307.36
  5. Step 5: Solve for x
    x = 1,740,853,307.36/41,028.78
  6. Step 6: Final answer
    x = 42,430.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.