Home / 45,460.96-68,192.16-13,871.68

Finding the Fourth Proportional to 45,460.96, 68,192.16 and 13,871.68

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Solution

The fourth proportional to 45,460.96, 68,192.16 and 13,871.68 is: 20,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,460.96 : 68,192.16 = 13,871.68 : x
  2. Step 2: Convert to fraction form
    45,460.96/68,192.16 = 13,871.68/x
  3. Step 3: Cross multiply
    45,460.96x = 68,192.16 × 13,871.68
  4. Step 4: Simplify right side
    45,460.96x = 945,939,822.03
  5. Step 5: Solve for x
    x = 945,939,822.03/45,460.96
  6. Step 6: Final answer
    x = 20,807.74

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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.