Home / 40,566.08-55,979.52-22,661

Finding the Fourth Proportional to 40,566.08, 55,979.52 and 22,661

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Solution

The fourth proportional to 40,566.08, 55,979.52 and 22,661 is: 31,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,566.08 : 55,979.52 = 22,661 : x
  2. Step 2: Convert to fraction form
    40,566.08/55,979.52 = 22,661/x
  3. Step 3: Cross multiply
    40,566.08x = 55,979.52 × 22,661
  4. Step 4: Simplify right side
    40,566.08x = 1,268,551,902.72
  5. Step 5: Solve for x
    x = 1,268,551,902.72/40,566.08
  6. Step 6: Final answer
    x = 31,271.25

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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.