Home / 37,134.39-51,248.18-21,218.51

Finding the Fourth Proportional to 37,134.39, 51,248.18 and 21,218.51

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Solution

The fourth proportional to 37,134.39, 51,248.18 and 21,218.51 is: 29,283.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.39 : 51,248.18 = 21,218.51 : x
  2. Step 2: Convert to fraction form
    37,134.39/51,248.18 = 21,218.51/x
  3. Step 3: Cross multiply
    37,134.39x = 51,248.18 × 21,218.51
  4. Step 4: Simplify right side
    37,134.39x = 1,087,409,657.48
  5. Step 5: Solve for x
    x = 1,087,409,657.48/37,134.39
  6. Step 6: Final answer
    x = 29,283.09

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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.