Home / 39,043.36-58,491.56-19,298.80

Finding the Fourth Proportional to 39,043.36, 58,491.56 and 19,298.80

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Solution

The fourth proportional to 39,043.36, 58,491.56 and 19,298.80 is: 28,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043.36 : 58,491.56 = 19,298.80 : x
  2. Step 2: Convert to fraction form
    39,043.36/58,491.56 = 19,298.80/x
  3. Step 3: Cross multiply
    39,043.36x = 58,491.56 × 19,298.80
  4. Step 4: Simplify right side
    39,043.36x = 1,128,816,918.13
  5. Step 5: Solve for x
    x = 1,128,816,918.13/39,043.36
  6. Step 6: Final answer
    x = 28,911.88

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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.