Home / 39,299.72-58,950.18-21,880.26

Finding the Fourth Proportional to 39,299.72, 58,950.18 and 21,880.26

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Solution

The fourth proportional to 39,299.72, 58,950.18 and 21,880.26 is: 32,820.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.72 : 58,950.18 = 21,880.26 : x
  2. Step 2: Convert to fraction form
    39,299.72/58,950.18 = 21,880.26/x
  3. Step 3: Cross multiply
    39,299.72x = 58,950.18 × 21,880.26
  4. Step 4: Simplify right side
    39,299.72x = 1,289,845,265.45
  5. Step 5: Solve for x
    x = 1,289,845,265.45/39,299.72
  6. Step 6: Final answer
    x = 32,820.73

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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.