Home / 45,167.20-67,750.80-14,005.60

Finding the Fourth Proportional to 45,167.20, 67,750.80 and 14,005.60

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Solution

The fourth proportional to 45,167.20, 67,750.80 and 14,005.60 is: 21,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,167.20 : 67,750.80 = 14,005.60 : x
  2. Step 2: Convert to fraction form
    45,167.20/67,750.80 = 14,005.60/x
  3. Step 3: Cross multiply
    45,167.20x = 67,750.80 × 14,005.60
  4. Step 4: Simplify right side
    45,167.20x = 948,890,604.48
  5. Step 5: Solve for x
    x = 948,890,604.48/45,167.20
  6. Step 6: Final answer
    x = 21,008.40

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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.