Home / 39,527.69-54,547.49-21,622.54

Finding the Fourth Proportional to 39,527.69, 54,547.49 and 21,622.54

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Solution

The fourth proportional to 39,527.69, 54,547.49 and 21,622.54 is: 29,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,527.69 : 54,547.49 = 21,622.54 : x
  2. Step 2: Convert to fraction form
    39,527.69/54,547.49 = 21,622.54/x
  3. Step 3: Cross multiply
    39,527.69x = 54,547.49 × 21,622.54
  4. Step 4: Simplify right side
    39,527.69x = 1,179,455,284.42
  5. Step 5: Solve for x
    x = 1,179,455,284.42/39,527.69
  6. Step 6: Final answer
    x = 29,838.71

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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.