Home / 30,277.88-45,354.28-17,760.21

Finding the Fourth Proportional to 30,277.88, 45,354.28 and 17,760.21

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Solution

The fourth proportional to 30,277.88, 45,354.28 and 17,760.21 is: 26,603.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.88 : 45,354.28 = 17,760.21 : x
  2. Step 2: Convert to fraction form
    30,277.88/45,354.28 = 17,760.21/x
  3. Step 3: Cross multiply
    30,277.88x = 45,354.28 × 17,760.21
  4. Step 4: Simplify right side
    30,277.88x = 805,501,537.20
  5. Step 5: Solve for x
    x = 805,501,537.20/30,277.88
  6. Step 6: Final answer
    x = 26,603.63

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1.5x scale

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.