Home / 69,485.89-95,882.85-39,271.18

Finding the Fourth Proportional to 69,485.89, 95,882.85 and 39,271.18

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Solution

The fourth proportional to 69,485.89, 95,882.85 and 39,271.18 is: 54,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,485.89 : 95,882.85 = 39,271.18 : x
  2. Step 2: Convert to fraction form
    69,485.89/95,882.85 = 39,271.18/x
  3. Step 3: Cross multiply
    69,485.89x = 95,882.85 × 39,271.18
  4. Step 4: Simplify right side
    69,485.89x = 3,765,432,661.26
  5. Step 5: Solve for x
    x = 3,765,432,661.26/69,485.89
  6. Step 6: Final answer
    x = 54,189.89

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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.