Home / 30,507.20-45,769.44-18,038.24

Finding the Fourth Proportional to 30,507.20, 45,769.44 and 18,038.24

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Solution

The fourth proportional to 30,507.20, 45,769.44 and 18,038.24 is: 27,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,507.20 : 45,769.44 = 18,038.24 : x
  2. Step 2: Convert to fraction form
    30,507.20/45,769.44 = 18,038.24/x
  3. Step 3: Cross multiply
    30,507.20x = 45,769.44 × 18,038.24
  4. Step 4: Simplify right side
    30,507.20x = 825,600,143.39
  5. Step 5: Solve for x
    x = 825,600,143.39/30,507.20
  6. Step 6: Final answer
    x = 27,062.47

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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.