Home / 51,269.20-76,903.80-38,827.60

Finding the Fourth Proportional to 51,269.20, 76,903.80 and 38,827.60

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Solution

The fourth proportional to 51,269.20, 76,903.80 and 38,827.60 is: 58,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,269.20 : 76,903.80 = 38,827.60 : x
  2. Step 2: Convert to fraction form
    51,269.20/76,903.80 = 38,827.60/x
  3. Step 3: Cross multiply
    51,269.20x = 76,903.80 × 38,827.60
  4. Step 4: Simplify right side
    51,269.20x = 2,985,989,984.88
  5. Step 5: Solve for x
    x = 2,985,989,984.88/51,269.20
  6. Step 6: Final answer
    x = 58,241.40

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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.