Home / 40,078.68-55,307.58-22,174.68

Finding the Fourth Proportional to 40,078.68, 55,307.58 and 22,174.68

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Solution

The fourth proportional to 40,078.68, 55,307.58 and 22,174.68 is: 30,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078.68 : 55,307.58 = 22,174.68 : x
  2. Step 2: Convert to fraction form
    40,078.68/55,307.58 = 22,174.68/x
  3. Step 3: Cross multiply
    40,078.68x = 55,307.58 × 22,174.68
  4. Step 4: Simplify right side
    40,078.68x = 1,226,427,888.07
  5. Step 5: Solve for x
    x = 1,226,427,888.07/40,078.68
  6. Step 6: Final answer
    x = 30,600.51

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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.