Home / 36,280.40-54,417.40-9,982.80

Finding the Fourth Proportional to 36,280.40, 54,417.40 and 9,982.80

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Solution

The fourth proportional to 36,280.40, 54,417.40 and 9,982.80 is: 14,973.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,280.40 : 54,417.40 = 9,982.80 : x
  2. Step 2: Convert to fraction form
    36,280.40/54,417.40 = 9,982.80/x
  3. Step 3: Cross multiply
    36,280.40x = 54,417.40 × 9,982.80
  4. Step 4: Simplify right side
    36,280.40x = 543,238,020.72
  5. Step 5: Solve for x
    x = 543,238,020.72/36,280.40
  6. Step 6: Final answer
    x = 14,973.32

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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.