Home / 45,502.93-68,254.55-13,912.87

Finding the Fourth Proportional to 45,502.93, 68,254.55 and 13,912.87

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Solution

The fourth proportional to 45,502.93, 68,254.55 and 13,912.87 is: 20,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,502.93 : 68,254.55 = 13,912.87 : x
  2. Step 2: Convert to fraction form
    45,502.93/68,254.55 = 13,912.87/x
  3. Step 3: Cross multiply
    45,502.93x = 68,254.55 × 13,912.87
  4. Step 4: Simplify right side
    45,502.93x = 949,616,816.91
  5. Step 5: Solve for x
    x = 949,616,816.91/45,502.93
  6. Step 6: Final answer
    x = 20,869.36

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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.