Home / 36,563.40-54,772.20-20,962.80

Finding the Fourth Proportional to 36,563.40, 54,772.20 and 20,962.80

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Solution

The fourth proportional to 36,563.40, 54,772.20 and 20,962.80 is: 31,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,563.40 : 54,772.20 = 20,962.80 : x
  2. Step 2: Convert to fraction form
    36,563.40/54,772.20 = 20,962.80/x
  3. Step 3: Cross multiply
    36,563.40x = 54,772.20 × 20,962.80
  4. Step 4: Simplify right side
    36,563.40x = 1,148,178,674.16
  5. Step 5: Solve for x
    x = 1,148,178,674.16/36,563.40
  6. Step 6: Final answer
    x = 31,402.40

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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.