Home / 30,204.45-45,281.73-13,325.43

Finding the Fourth Proportional to 30,204.45, 45,281.73 and 13,325.43

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Solution

The fourth proportional to 30,204.45, 45,281.73 and 13,325.43 is: 19,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.45 : 45,281.73 = 13,325.43 : x
  2. Step 2: Convert to fraction form
    30,204.45/45,281.73 = 13,325.43/x
  3. Step 3: Cross multiply
    30,204.45x = 45,281.73 × 13,325.43
  4. Step 4: Simplify right side
    30,204.45x = 603,398,523.39
  5. Step 5: Solve for x
    x = 603,398,523.39/30,204.45
  6. Step 6: Final answer
    x = 19,977.14

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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.