Home / 37,215.55-51,356.33-21,298.95

Finding the Fourth Proportional to 37,215.55, 51,356.33 and 21,298.95

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Solution

The fourth proportional to 37,215.55, 51,356.33 and 21,298.95 is: 29,391.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.55 : 51,356.33 = 21,298.95 : x
  2. Step 2: Convert to fraction form
    37,215.55/51,356.33 = 21,298.95/x
  3. Step 3: Cross multiply
    37,215.55x = 51,356.33 × 21,298.95
  4. Step 4: Simplify right side
    37,215.55x = 1,093,835,878.23
  5. Step 5: Solve for x
    x = 1,093,835,878.23/37,215.55
  6. Step 6: Final answer
    x = 29,391.90

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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.