Home / 39,086.80-53,964.24-30,117.28

Finding the Fourth Proportional to 39,086.80, 53,964.24 and 30,117.28

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Solution

The fourth proportional to 39,086.80, 53,964.24 and 30,117.28 is: 41,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,086.80 : 53,964.24 = 30,117.28 : x
  2. Step 2: Convert to fraction form
    39,086.80/53,964.24 = 30,117.28/x
  3. Step 3: Cross multiply
    39,086.80x = 53,964.24 × 30,117.28
  4. Step 4: Simplify right side
    39,086.80x = 1,625,256,126.07
  5. Step 5: Solve for x
    x = 1,625,256,126.07/39,086.80
  6. Step 6: Final answer
    x = 41,580.69

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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.