Home / 36,215.56-54,322.90-9,920.28

Finding the Fourth Proportional to 36,215.56, 54,322.90 and 9,920.28

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Solution

The fourth proportional to 36,215.56, 54,322.90 and 9,920.28 is: 14,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,215.56 : 54,322.90 = 9,920.28 : x
  2. Step 2: Convert to fraction form
    36,215.56/54,322.90 = 9,920.28/x
  3. Step 3: Cross multiply
    36,215.56x = 54,322.90 × 9,920.28
  4. Step 4: Simplify right side
    36,215.56x = 538,898,378.41
  5. Step 5: Solve for x
    x = 538,898,378.41/36,215.56
  6. Step 6: Final answer
    x = 14,880.30

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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.