Home / 30,107.79-45,167.15-13,467.45

Finding the Fourth Proportional to 30,107.79, 45,167.15 and 13,467.45

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Solution

The fourth proportional to 30,107.79, 45,167.15 and 13,467.45 is: 20,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.79 : 45,167.15 = 13,467.45 : x
  2. Step 2: Convert to fraction form
    30,107.79/45,167.15 = 13,467.45/x
  3. Step 3: Cross multiply
    30,107.79x = 45,167.15 × 13,467.45
  4. Step 4: Simplify right side
    30,107.79x = 608,286,334.27
  5. Step 5: Solve for x
    x = 608,286,334.27/30,107.79
  6. Step 6: Final answer
    x = 20,203.62

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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.