Home / 30,304.38-45,462.72-12,774.18

Finding the Fourth Proportional to 30,304.38, 45,462.72 and 12,774.18

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Solution

The fourth proportional to 30,304.38, 45,462.72 and 12,774.18 is: 19,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304.38 : 45,462.72 = 12,774.18 : x
  2. Step 2: Convert to fraction form
    30,304.38/45,462.72 = 12,774.18/x
  3. Step 3: Cross multiply
    30,304.38x = 45,462.72 × 12,774.18
  4. Step 4: Simplify right side
    30,304.38x = 580,748,968.57
  5. Step 5: Solve for x
    x = 580,748,968.57/30,304.38
  6. Step 6: Final answer
    x = 19,163.86

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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.