Home / 58,226.40-87,358.07-20,785.65

Finding the Fourth Proportional to 58,226.40, 87,358.07 and 20,785.65

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Solution

The fourth proportional to 58,226.40, 87,358.07 and 20,785.65 is: 31,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,226.40 : 87,358.07 = 20,785.65 : x
  2. Step 2: Convert to fraction form
    58,226.40/87,358.07 = 20,785.65/x
  3. Step 3: Cross multiply
    58,226.40x = 87,358.07 × 20,785.65
  4. Step 4: Simplify right side
    58,226.40x = 1,815,794,267.70
  5. Step 5: Solve for x
    x = 1,815,794,267.70/58,226.40
  6. Step 6: Final answer
    x = 31,185.07

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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.