Home / 37,215.09-51,353.85-21,295.89

Finding the Fourth Proportional to 37,215.09, 51,353.85 and 21,295.89

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Solution

The fourth proportional to 37,215.09, 51,353.85 and 21,295.89 is: 29,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.09 : 51,353.85 = 21,295.89 : x
  2. Step 2: Convert to fraction form
    37,215.09/51,353.85 = 21,295.89/x
  3. Step 3: Cross multiply
    37,215.09x = 51,353.85 × 21,295.89
  4. Step 4: Simplify right side
    37,215.09x = 1,093,625,834.20
  5. Step 5: Solve for x
    x = 1,093,625,834.20/37,215.09
  6. Step 6: Final answer
    x = 29,386.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.