Home / 37,215.13-51,356.98-20,219.23

Finding the Fourth Proportional to 37,215.13, 51,356.98 and 20,219.23

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Solution

The fourth proportional to 37,215.13, 51,356.98 and 20,219.23 is: 27,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.13 : 51,356.98 = 20,219.23 : x
  2. Step 2: Convert to fraction form
    37,215.13/51,356.98 = 20,219.23/x
  3. Step 3: Cross multiply
    37,215.13x = 51,356.98 × 20,219.23
  4. Step 4: Simplify right side
    37,215.13x = 1,038,398,590.73
  5. Step 5: Solve for x
    x = 1,038,398,590.73/37,215.13
  6. Step 6: Final answer
    x = 27,902.59

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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.