Home / 54,840.36-82,259.74-13,287.08

Finding the Fourth Proportional to 54,840.36, 82,259.74 and 13,287.08

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Solution

The fourth proportional to 54,840.36, 82,259.74 and 13,287.08 is: 19,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.36 : 82,259.74 = 13,287.08 : x
  2. Step 2: Convert to fraction form
    54,840.36/82,259.74 = 13,287.08/x
  3. Step 3: Cross multiply
    54,840.36x = 82,259.74 × 13,287.08
  4. Step 4: Simplify right side
    54,840.36x = 1,092,991,746.16
  5. Step 5: Solve for x
    x = 1,092,991,746.16/54,840.36
  6. Step 6: Final answer
    x = 19,930.43

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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.