Home / 30,523.34-45,757.64-12,983.60

Finding the Fourth Proportional to 30,523.34, 45,757.64 and 12,983.60

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Solution

The fourth proportional to 30,523.34, 45,757.64 and 12,983.60 is: 19,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,523.34 : 45,757.64 = 12,983.60 : x
  2. Step 2: Convert to fraction form
    30,523.34/45,757.64 = 12,983.60/x
  3. Step 3: Cross multiply
    30,523.34x = 45,757.64 × 12,983.60
  4. Step 4: Simplify right side
    30,523.34x = 594,098,894.70
  5. Step 5: Solve for x
    x = 594,098,894.70/30,523.34
  6. Step 6: Final answer
    x = 19,463.76

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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.