Home / 37,896.14-52,296.79-21,129.74

Finding the Fourth Proportional to 37,896.14, 52,296.79 and 21,129.74

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Solution

The fourth proportional to 37,896.14, 52,296.79 and 21,129.74 is: 29,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,896.14 : 52,296.79 = 21,129.74 : x
  2. Step 2: Convert to fraction form
    37,896.14/52,296.79 = 21,129.74/x
  3. Step 3: Cross multiply
    37,896.14x = 52,296.79 × 21,129.74
  4. Step 4: Simplify right side
    37,896.14x = 1,105,017,575.53
  5. Step 5: Solve for x
    x = 1,105,017,575.53/37,896.14
  6. Step 6: Final answer
    x = 29,159.11

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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.