Home / 30,393.38-45,558.45-12,633.71

Finding the Fourth Proportional to 30,393.38, 45,558.45 and 12,633.71

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Solution

The fourth proportional to 30,393.38, 45,558.45 and 12,633.71 is: 18,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.38 : 45,558.45 = 12,633.71 : x
  2. Step 2: Convert to fraction form
    30,393.38/45,558.45 = 12,633.71/x
  3. Step 3: Cross multiply
    30,393.38x = 45,558.45 × 12,633.71
  4. Step 4: Simplify right side
    30,393.38x = 575,572,017.56
  5. Step 5: Solve for x
    x = 575,572,017.56/30,393.38
  6. Step 6: Final answer
    x = 18,937.42

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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.