Home / 39,065.55-58,601.79-10,985.85

Finding the Fourth Proportional to 39,065.55, 58,601.79 and 10,985.85

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Solution

The fourth proportional to 39,065.55, 58,601.79 and 10,985.85 is: 16,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.55 : 58,601.79 = 10,985.85 : x
  2. Step 2: Convert to fraction form
    39,065.55/58,601.79 = 10,985.85/x
  3. Step 3: Cross multiply
    39,065.55x = 58,601.79 × 10,985.85
  4. Step 4: Simplify right side
    39,065.55x = 643,790,474.67
  5. Step 5: Solve for x
    x = 643,790,474.67/39,065.55
  6. Step 6: Final answer
    x = 16,479.75

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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.