Home / 39,967.11-55,154.64-22,062.12

Finding the Fourth Proportional to 39,967.11, 55,154.64 and 22,062.12

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Solution

The fourth proportional to 39,967.11, 55,154.64 and 22,062.12 is: 30,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.11 : 55,154.64 = 22,062.12 : x
  2. Step 2: Convert to fraction form
    39,967.11/55,154.64 = 22,062.12/x
  3. Step 3: Cross multiply
    39,967.11x = 55,154.64 × 22,062.12
  4. Step 4: Simplify right side
    39,967.11x = 1,216,828,286.24
  5. Step 5: Solve for x
    x = 1,216,828,286.24/39,967.11
  6. Step 6: Final answer
    x = 30,445.74

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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.