Home / 45,679.40-68,519.10-16,130.60

Finding the Fourth Proportional to 45,679.40, 68,519.10 and 16,130.60

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Solution

The fourth proportional to 45,679.40, 68,519.10 and 16,130.60 is: 24,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,679.40 : 68,519.10 = 16,130.60 : x
  2. Step 2: Convert to fraction form
    45,679.40/68,519.10 = 16,130.60/x
  3. Step 3: Cross multiply
    45,679.40x = 68,519.10 × 16,130.60
  4. Step 4: Simplify right side
    45,679.40x = 1,105,254,194.46
  5. Step 5: Solve for x
    x = 1,105,254,194.46/45,679.40
  6. Step 6: Final answer
    x = 24,195.90

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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.