Home / 39,527.99-54,547.47-21,622.61

Finding the Fourth Proportional to 39,527.99, 54,547.47 and 21,622.61

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Solution

The fourth proportional to 39,527.99, 54,547.47 and 21,622.61 is: 29,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,527.99 : 54,547.47 = 21,622.61 : x
  2. Step 2: Convert to fraction form
    39,527.99/54,547.47 = 21,622.61/x
  3. Step 3: Cross multiply
    39,527.99x = 54,547.47 × 21,622.61
  4. Step 4: Simplify right side
    39,527.99x = 1,179,458,670.30
  5. Step 5: Solve for x
    x = 1,179,458,670.30/39,527.99
  6. Step 6: Final answer
    x = 29,838.57

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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.