Home / 54,840.48-82,210.88-19,755.20

Finding the Fourth Proportional to 54,840.48, 82,210.88 and 19,755.20

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Solution

The fourth proportional to 54,840.48, 82,210.88 and 19,755.20 is: 29,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.48 : 82,210.88 = 19,755.20 : x
  2. Step 2: Convert to fraction form
    54,840.48/82,210.88 = 19,755.20/x
  3. Step 3: Cross multiply
    54,840.48x = 82,210.88 × 19,755.20
  4. Step 4: Simplify right side
    54,840.48x = 1,624,092,376.58
  5. Step 5: Solve for x
    x = 1,624,092,376.58/54,840.48
  6. Step 6: Final answer
    x = 29,614.85

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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.