Home / 40,228.48-55,515.12-22,324.72

Finding the Fourth Proportional to 40,228.48, 55,515.12 and 22,324.72

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Solution

The fourth proportional to 40,228.48, 55,515.12 and 22,324.72 is: 30,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,228.48 : 55,515.12 = 22,324.72 : x
  2. Step 2: Convert to fraction form
    40,228.48/55,515.12 = 22,324.72/x
  3. Step 3: Cross multiply
    40,228.48x = 55,515.12 × 22,324.72
  4. Step 4: Simplify right side
    40,228.48x = 1,239,359,509.77
  5. Step 5: Solve for x
    x = 1,239,359,509.77/40,228.48
  6. Step 6: Final answer
    x = 30,808.01

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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.