Home / 39,009.60-58,514.40-38,491.20

Finding the Fourth Proportional to 39,009.60, 58,514.40 and 38,491.20

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Solution

The fourth proportional to 39,009.60, 58,514.40 and 38,491.20 is: 57,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,009.60 : 58,514.40 = 38,491.20 : x
  2. Step 2: Convert to fraction form
    39,009.60/58,514.40 = 38,491.20/x
  3. Step 3: Cross multiply
    39,009.60x = 58,514.40 × 38,491.20
  4. Step 4: Simplify right side
    39,009.60x = 2,252,289,473.28
  5. Step 5: Solve for x
    x = 2,252,289,473.28/39,009.60
  6. Step 6: Final answer
    x = 57,736.80

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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.