Home / 57,729.84-86,468.40-34,304.64

Finding the Fourth Proportional to 57,729.84, 86,468.40 and 34,304.64

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Solution

The fourth proportional to 57,729.84, 86,468.40 and 34,304.64 is: 51,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.84 : 86,468.40 = 34,304.64 : x
  2. Step 2: Convert to fraction form
    57,729.84/86,468.40 = 34,304.64/x
  3. Step 3: Cross multiply
    57,729.84x = 86,468.40 × 34,304.64
  4. Step 4: Simplify right side
    57,729.84x = 2,966,267,333.38
  5. Step 5: Solve for x
    x = 2,966,267,333.38/57,729.84
  6. Step 6: Final answer
    x = 51,381.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.