Home / 37,864.79-52,253.61-21,730.81

Finding the Fourth Proportional to 37,864.79, 52,253.61 and 21,730.81

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Solution

The fourth proportional to 37,864.79, 52,253.61 and 21,730.81 is: 29,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,864.79 : 52,253.61 = 21,730.81 : x
  2. Step 2: Convert to fraction form
    37,864.79/52,253.61 = 21,730.81/x
  3. Step 3: Cross multiply
    37,864.79x = 52,253.61 × 21,730.81
  4. Step 4: Simplify right side
    37,864.79x = 1,135,512,900.80
  5. Step 5: Solve for x
    x = 1,135,512,900.80/37,864.79
  6. Step 6: Final answer
    x = 29,988.63

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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.