Home / 37,631.52-51,932.88-21,718.08

Finding the Fourth Proportional to 37,631.52, 51,932.88 and 21,718.08

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Solution

The fourth proportional to 37,631.52, 51,932.88 and 21,718.08 is: 29,971.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.52 : 51,932.88 = 21,718.08 : x
  2. Step 2: Convert to fraction form
    37,631.52/51,932.88 = 21,718.08/x
  3. Step 3: Cross multiply
    37,631.52x = 51,932.88 × 21,718.08
  4. Step 4: Simplify right side
    37,631.52x = 1,127,882,442.47
  5. Step 5: Solve for x
    x = 1,127,882,442.47/37,631.52
  6. Step 6: Final answer
    x = 29,971.75

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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.