Home / 35,491.38-53,210.34-21,448.42

Finding the Fourth Proportional to 35,491.38, 53,210.34 and 21,448.42

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Solution

The fourth proportional to 35,491.38, 53,210.34 and 21,448.42 is: 32,156.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.38 : 53,210.34 = 21,448.42 : x
  2. Step 2: Convert to fraction form
    35,491.38/53,210.34 = 21,448.42/x
  3. Step 3: Cross multiply
    35,491.38x = 53,210.34 × 21,448.42
  4. Step 4: Simplify right side
    35,491.38x = 1,141,277,720.66
  5. Step 5: Solve for x
    x = 1,141,277,720.66/35,491.38
  6. Step 6: Final answer
    x = 32,156.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.