Home / 39,169.07-54,159.63-38,536.01

Finding the Fourth Proportional to 39,169.07, 54,159.63 and 38,536.01

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Solution

The fourth proportional to 39,169.07, 54,159.63 and 38,536.01 is: 53,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169.07 : 54,159.63 = 38,536.01 : x
  2. Step 2: Convert to fraction form
    39,169.07/54,159.63 = 38,536.01/x
  3. Step 3: Cross multiply
    39,169.07x = 54,159.63 × 38,536.01
  4. Step 4: Simplify right side
    39,169.07x = 2,087,096,043.28
  5. Step 5: Solve for x
    x = 2,087,096,043.28/39,169.07
  6. Step 6: Final answer
    x = 53,284.29

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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.