Home / 54,956.06-82,434.06-19,887.50

Finding the Fourth Proportional to 54,956.06, 82,434.06 and 19,887.50

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Solution

The fourth proportional to 54,956.06, 82,434.06 and 19,887.50 is: 29,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,956.06 : 82,434.06 = 19,887.50 : x
  2. Step 2: Convert to fraction form
    54,956.06/82,434.06 = 19,887.50/x
  3. Step 3: Cross multiply
    54,956.06x = 82,434.06 × 19,887.50
  4. Step 4: Simplify right side
    54,956.06x = 1,639,407,368.25
  5. Step 5: Solve for x
    x = 1,639,407,368.25/54,956.06
  6. Step 6: Final answer
    x = 29,831.24

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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.