Home / 40,459.77-55,832.49-22,554.72

Finding the Fourth Proportional to 40,459.77, 55,832.49 and 22,554.72

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Solution

The fourth proportional to 40,459.77, 55,832.49 and 22,554.72 is: 31,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,459.77 : 55,832.49 = 22,554.72 : x
  2. Step 2: Convert to fraction form
    40,459.77/55,832.49 = 22,554.72/x
  3. Step 3: Cross multiply
    40,459.77x = 55,832.49 × 22,554.72
  4. Step 4: Simplify right side
    40,459.77x = 1,259,286,178.85
  5. Step 5: Solve for x
    x = 1,259,286,178.85/40,459.77
  6. Step 6: Final answer
    x = 31,124.40

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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.