Home / 56,411.25-84,622.49-20,882.07

Finding the Fourth Proportional to 56,411.25, 84,622.49 and 20,882.07

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Solution

The fourth proportional to 56,411.25, 84,622.49 and 20,882.07 is: 31,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,411.25 : 84,622.49 = 20,882.07 : x
  2. Step 2: Convert to fraction form
    56,411.25/84,622.49 = 20,882.07/x
  3. Step 3: Cross multiply
    56,411.25x = 84,622.49 × 20,882.07
  4. Step 4: Simplify right side
    56,411.25x = 1,767,092,733.65
  5. Step 5: Solve for x
    x = 1,767,092,733.65/56,411.25
  6. Step 6: Final answer
    x = 31,325.19

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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.