Home / 39,961.08-55,146.69-22,055.69

Finding the Fourth Proportional to 39,961.08, 55,146.69 and 22,055.69

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Solution

The fourth proportional to 39,961.08, 55,146.69 and 22,055.69 is: 30,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.08 : 55,146.69 = 22,055.69 : x
  2. Step 2: Convert to fraction form
    39,961.08/55,146.69 = 22,055.69/x
  3. Step 3: Cross multiply
    39,961.08x = 55,146.69 × 22,055.69
  4. Step 4: Simplify right side
    39,961.08x = 1,216,298,437.03
  5. Step 5: Solve for x
    x = 1,216,298,437.03/39,961.08
  6. Step 6: Final answer
    x = 30,437.08

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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.