Home / 30,614.56-45,939.12-13,083.04

Finding the Fourth Proportional to 30,614.56, 45,939.12 and 13,083.04

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Solution

The fourth proportional to 30,614.56, 45,939.12 and 13,083.04 is: 19,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,614.56 : 45,939.12 = 13,083.04 : x
  2. Step 2: Convert to fraction form
    30,614.56/45,939.12 = 13,083.04/x
  3. Step 3: Cross multiply
    30,614.56x = 45,939.12 × 13,083.04
  4. Step 4: Simplify right side
    30,614.56x = 601,023,344.52
  5. Step 5: Solve for x
    x = 601,023,344.52/30,614.56
  6. Step 6: Final answer
    x = 19,631.94

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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.