Home / 69,306.60-95,632.50-39,090.60

Finding the Fourth Proportional to 69,306.60, 95,632.50 and 39,090.60

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Solution

The fourth proportional to 69,306.60, 95,632.50 and 39,090.60 is: 53,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,306.60 : 95,632.50 = 39,090.60 : x
  2. Step 2: Convert to fraction form
    69,306.60/95,632.50 = 39,090.60/x
  3. Step 3: Cross multiply
    69,306.60x = 95,632.50 × 39,090.60
  4. Step 4: Simplify right side
    69,306.60x = 3,738,331,804.50
  5. Step 5: Solve for x
    x = 3,738,331,804.50/69,306.60
  6. Step 6: Final answer
    x = 53,939.04

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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.