Home / 40,615.40-60,855.60-39,079.64

Finding the Fourth Proportional to 40,615.40, 60,855.60 and 39,079.64

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Solution

The fourth proportional to 40,615.40, 60,855.60 and 39,079.64 is: 58,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,615.40 : 60,855.60 = 39,079.64 : x
  2. Step 2: Convert to fraction form
    40,615.40/60,855.60 = 39,079.64/x
  3. Step 3: Cross multiply
    40,615.40x = 60,855.60 × 39,079.64
  4. Step 4: Simplify right side
    40,615.40x = 2,378,214,939.98
  5. Step 5: Solve for x
    x = 2,378,214,939.98/40,615.40
  6. Step 6: Final answer
    x = 58,554.51

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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.