Home / 30,113.21-45,167.65-9,336.17

Finding the Fourth Proportional to 30,113.21, 45,167.65 and 9,336.17

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Solution

The fourth proportional to 30,113.21, 45,167.65 and 9,336.17 is: 14,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.21 : 45,167.65 = 9,336.17 : x
  2. Step 2: Convert to fraction form
    30,113.21/45,167.65 = 9,336.17/x
  3. Step 3: Cross multiply
    30,113.21x = 45,167.65 × 9,336.17
  4. Step 4: Simplify right side
    30,113.21x = 421,692,609.72
  5. Step 5: Solve for x
    x = 421,692,609.72/30,113.21
  6. Step 6: Final answer
    x = 14,003.58

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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.