Home / 58,531.27-87,744.21-21,065.00

Finding the Fourth Proportional to 58,531.27, 87,744.21 and 21,065.00

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Solution

The fourth proportional to 58,531.27, 87,744.21 and 21,065.00 is: 31,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,531.27 : 87,744.21 = 21,065.00 : x
  2. Step 2: Convert to fraction form
    58,531.27/87,744.21 = 21,065.00/x
  3. Step 3: Cross multiply
    58,531.27x = 87,744.21 × 21,065.00
  4. Step 4: Simplify right side
    58,531.27x = 1,848,331,384.43
  5. Step 5: Solve for x
    x = 1,848,331,384.43/58,531.27
  6. Step 6: Final answer
    x = 31,578.53

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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.