Home / 54,935.50-82,419.63-38,955.82

Finding the Fourth Proportional to 54,935.50, 82,419.63 and 38,955.82

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Solution

The fourth proportional to 54,935.50, 82,419.63 and 38,955.82 is: 58,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.50 : 82,419.63 = 38,955.82 : x
  2. Step 2: Convert to fraction form
    54,935.50/82,419.63 = 38,955.82/x
  3. Step 3: Cross multiply
    54,935.50x = 82,419.63 × 38,955.82
  4. Step 4: Simplify right side
    54,935.50x = 3,210,724,270.75
  5. Step 5: Solve for x
    x = 3,210,724,270.75/54,935.50
  6. Step 6: Final answer
    x = 58,445.35

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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.