Home / 30,018.68-45,033.30-11,549.24

Finding the Fourth Proportional to 30,018.68, 45,033.30 and 11,549.24

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Solution

The fourth proportional to 30,018.68, 45,033.30 and 11,549.24 is: 17,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.68 : 45,033.30 = 11,549.24 : x
  2. Step 2: Convert to fraction form
    30,018.68/45,033.30 = 11,549.24/x
  3. Step 3: Cross multiply
    30,018.68x = 45,033.30 × 11,549.24
  4. Step 4: Simplify right side
    30,018.68x = 520,100,389.69
  5. Step 5: Solve for x
    x = 520,100,389.69/30,018.68
  6. Step 6: Final answer
    x = 17,325.89

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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.