Home / 38,574.84-57,796.20-21,056.94

Finding the Fourth Proportional to 38,574.84, 57,796.20 and 21,056.94

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Solution

The fourth proportional to 38,574.84, 57,796.20 and 21,056.94 is: 31,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.84 : 57,796.20 = 21,056.94 : x
  2. Step 2: Convert to fraction form
    38,574.84/57,796.20 = 21,056.94/x
  3. Step 3: Cross multiply
    38,574.84x = 57,796.20 × 21,056.94
  4. Step 4: Simplify right side
    38,574.84x = 1,217,011,115.63
  5. Step 5: Solve for x
    x = 1,217,011,115.63/38,574.84
  6. Step 6: Final answer
    x = 31,549.35

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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.