Home / 39,211.80-58,817.20-9,629.76

Finding the Fourth Proportional to 39,211.80, 58,817.20 and 9,629.76

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Solution

The fourth proportional to 39,211.80, 58,817.20 and 9,629.76 is: 14,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,211.80 : 58,817.20 = 9,629.76 : x
  2. Step 2: Convert to fraction form
    39,211.80/58,817.20 = 9,629.76/x
  3. Step 3: Cross multiply
    39,211.80x = 58,817.20 × 9,629.76
  4. Step 4: Simplify right side
    39,211.80x = 566,395,519.87
  5. Step 5: Solve for x
    x = 566,395,519.87/39,211.80
  6. Step 6: Final answer
    x = 14,444.52

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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.