Home / 37,635.81-51,938.52-21,721.14

Finding the Fourth Proportional to 37,635.81, 51,938.52 and 21,721.14

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Solution

The fourth proportional to 37,635.81, 51,938.52 and 21,721.14 is: 29,975.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,635.81 : 51,938.52 = 21,721.14 : x
  2. Step 2: Convert to fraction form
    37,635.81/51,938.52 = 21,721.14/x
  3. Step 3: Cross multiply
    37,635.81x = 51,938.52 × 21,721.14
  4. Step 4: Simplify right side
    37,635.81x = 1,128,163,864.31
  5. Step 5: Solve for x
    x = 1,128,163,864.31/37,635.81
  6. Step 6: Final answer
    x = 29,975.81

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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.