Home / 54,981.59-82,516.12-21,710.03

Finding the Fourth Proportional to 54,981.59, 82,516.12 and 21,710.03

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Solution

The fourth proportional to 54,981.59, 82,516.12 and 21,710.03 is: 32,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,981.59 : 82,516.12 = 21,710.03 : x
  2. Step 2: Convert to fraction form
    54,981.59/82,516.12 = 21,710.03/x
  3. Step 3: Cross multiply
    54,981.59x = 82,516.12 × 21,710.03
  4. Step 4: Simplify right side
    54,981.59x = 1,791,426,973.83
  5. Step 5: Solve for x
    x = 1,791,426,973.83/54,981.59
  6. Step 6: Final answer
    x = 32,582.31

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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.