Home / 45,509.04-68,257.89-12,231.81

Finding the Fourth Proportional to 45,509.04, 68,257.89 and 12,231.81

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Solution

The fourth proportional to 45,509.04, 68,257.89 and 12,231.81 is: 18,346.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,509.04 : 68,257.89 = 12,231.81 : x
  2. Step 2: Convert to fraction form
    45,509.04/68,257.89 = 12,231.81/x
  3. Step 3: Cross multiply
    45,509.04x = 68,257.89 × 12,231.81
  4. Step 4: Simplify right side
    45,509.04x = 834,917,541.48
  5. Step 5: Solve for x
    x = 834,917,541.48/45,509.04
  6. Step 6: Final answer
    x = 18,346.19

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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.