Home / 39,226.16-54,133.08-21,322.16

Finding the Fourth Proportional to 39,226.16, 54,133.08 and 21,322.16

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Solution

The fourth proportional to 39,226.16, 54,133.08 and 21,322.16 is: 29,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.16 : 54,133.08 = 21,322.16 : x
  2. Step 2: Convert to fraction form
    39,226.16/54,133.08 = 21,322.16/x
  3. Step 3: Cross multiply
    39,226.16x = 54,133.08 × 21,322.16
  4. Step 4: Simplify right side
    39,226.16x = 1,154,233,922.39
  5. Step 5: Solve for x
    x = 1,154,233,922.39/39,226.16
  6. Step 6: Final answer
    x = 29,425.11

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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.