Home / 58,585.62-87,860.25-21,140.83

Finding the Fourth Proportional to 58,585.62, 87,860.25 and 21,140.83

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Solution

The fourth proportional to 58,585.62, 87,860.25 and 21,140.83 is: 31,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,585.62 : 87,860.25 = 21,140.83 : x
  2. Step 2: Convert to fraction form
    58,585.62/87,860.25 = 21,140.83/x
  3. Step 3: Cross multiply
    58,585.62x = 87,860.25 × 21,140.83
  4. Step 4: Simplify right side
    58,585.62x = 1,857,438,609.01
  5. Step 5: Solve for x
    x = 1,857,438,609.01/58,585.62
  6. Step 6: Final answer
    x = 31,704.68

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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.