Home / 40,313.08-55,636.64-22,409.85

Finding the Fourth Proportional to 40,313.08, 55,636.64 and 22,409.85

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Solution

The fourth proportional to 40,313.08, 55,636.64 and 22,409.85 is: 30,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.08 : 55,636.64 = 22,409.85 : x
  2. Step 2: Convert to fraction form
    40,313.08/55,636.64 = 22,409.85/x
  3. Step 3: Cross multiply
    40,313.08x = 55,636.64 × 22,409.85
  4. Step 4: Simplify right side
    40,313.08x = 1,246,808,756.90
  5. Step 5: Solve for x
    x = 1,246,808,756.90/40,313.08
  6. Step 6: Final answer
    x = 30,928.14

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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.