Home / 62,216.09-85,865.61-39,279.24

Finding the Fourth Proportional to 62,216.09, 85,865.61 and 39,279.24

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Solution

The fourth proportional to 62,216.09, 85,865.61 and 39,279.24 is: 54,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,216.09 : 85,865.61 = 39,279.24 : x
  2. Step 2: Convert to fraction form
    62,216.09/85,865.61 = 39,279.24/x
  3. Step 3: Cross multiply
    62,216.09x = 85,865.61 × 39,279.24
  4. Step 4: Simplify right side
    62,216.09x = 3,372,735,902.94
  5. Step 5: Solve for x
    x = 3,372,735,902.94/62,216.09
  6. Step 6: Final answer
    x = 54,210.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.