Home / 38,431.90-57,643.53-10,354.03

Finding the Fourth Proportional to 38,431.90, 57,643.53 and 10,354.03

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Solution

The fourth proportional to 38,431.90, 57,643.53 and 10,354.03 is: 15,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.90 : 57,643.53 = 10,354.03 : x
  2. Step 2: Convert to fraction form
    38,431.90/57,643.53 = 10,354.03/x
  3. Step 3: Cross multiply
    38,431.90x = 57,643.53 × 10,354.03
  4. Step 4: Simplify right side
    38,431.90x = 596,842,838.93
  5. Step 5: Solve for x
    x = 596,842,838.93/38,431.90
  6. Step 6: Final answer
    x = 15,529.88

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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.