Home / 25,148.43-37,750.32-21,247.92

Finding the Fourth Proportional to 25,148.43, 37,750.32 and 21,247.92

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Solution

The fourth proportional to 25,148.43, 37,750.32 and 21,247.92 is: 31,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.43 : 37,750.32 = 21,247.92 : x
  2. Step 2: Convert to fraction form
    25,148.43/37,750.32 = 21,247.92/x
  3. Step 3: Cross multiply
    25,148.43x = 37,750.32 × 21,247.92
  4. Step 4: Simplify right side
    25,148.43x = 802,115,779.33
  5. Step 5: Solve for x
    x = 802,115,779.33/25,148.43
  6. Step 6: Final answer
    x = 31,895.26

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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.