Home / 39,321.18-58,940.23-28,221.85

Finding the Fourth Proportional to 39,321.18, 58,940.23 and 28,221.85

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Solution

The fourth proportional to 39,321.18, 58,940.23 and 28,221.85 is: 42,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,321.18 : 58,940.23 = 28,221.85 : x
  2. Step 2: Convert to fraction form
    39,321.18/58,940.23 = 28,221.85/x
  3. Step 3: Cross multiply
    39,321.18x = 58,940.23 × 28,221.85
  4. Step 4: Simplify right side
    39,321.18x = 1,663,402,330.03
  5. Step 5: Solve for x
    x = 1,663,402,330.03/39,321.18
  6. Step 6: Final answer
    x = 42,302.96

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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.