Home / 39,499.95-54,513.66-21,597.64

Finding the Fourth Proportional to 39,499.95, 54,513.66 and 21,597.64

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Solution

The fourth proportional to 39,499.95, 54,513.66 and 21,597.64 is: 29,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,499.95 : 54,513.66 = 21,597.64 : x
  2. Step 2: Convert to fraction form
    39,499.95/54,513.66 = 21,597.64/x
  3. Step 3: Cross multiply
    39,499.95x = 54,513.66 × 21,597.64
  4. Step 4: Simplify right side
    39,499.95x = 1,177,366,226.98
  5. Step 5: Solve for x
    x = 1,177,366,226.98/39,499.95
  6. Step 6: Final answer
    x = 29,806.77

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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.