Home / 39,078.24-58,555.89-30,215.22

Finding the Fourth Proportional to 39,078.24, 58,555.89 and 30,215.22

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Solution

The fourth proportional to 39,078.24, 58,555.89 and 30,215.22 is: 45,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.24 : 58,555.89 = 30,215.22 : x
  2. Step 2: Convert to fraction form
    39,078.24/58,555.89 = 30,215.22/x
  3. Step 3: Cross multiply
    39,078.24x = 58,555.89 × 30,215.22
  4. Step 4: Simplify right side
    39,078.24x = 1,769,279,098.65
  5. Step 5: Solve for x
    x = 1,769,279,098.65/39,078.24
  6. Step 6: Final answer
    x = 45,275.30

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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.