Home / 45,328.11-68,004.47-13,736.90

Finding the Fourth Proportional to 45,328.11, 68,004.47 and 13,736.90

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Solution

The fourth proportional to 45,328.11, 68,004.47 and 13,736.90 is: 20,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,328.11 : 68,004.47 = 13,736.90 : x
  2. Step 2: Convert to fraction form
    45,328.11/68,004.47 = 13,736.90/x
  3. Step 3: Cross multiply
    45,328.11x = 68,004.47 × 13,736.90
  4. Step 4: Simplify right side
    45,328.11x = 934,170,263.92
  5. Step 5: Solve for x
    x = 934,170,263.92/45,328.11
  6. Step 6: Final answer
    x = 20,609.07

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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.