Home / 45,333.80-68,000.70-20,364.20

Finding the Fourth Proportional to 45,333.80, 68,000.70 and 20,364.20

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Solution

The fourth proportional to 45,333.80, 68,000.70 and 20,364.20 is: 30,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,333.80 : 68,000.70 = 20,364.20 : x
  2. Step 2: Convert to fraction form
    45,333.80/68,000.70 = 20,364.20/x
  3. Step 3: Cross multiply
    45,333.80x = 68,000.70 × 20,364.20
  4. Step 4: Simplify right side
    45,333.80x = 1,384,779,854.94
  5. Step 5: Solve for x
    x = 1,384,779,854.94/45,333.80
  6. Step 6: Final answer
    x = 30,546.30

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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.