Home / 45,808.20-68,682.48-19,166.88

Finding the Fourth Proportional to 45,808.20, 68,682.48 and 19,166.88

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Solution

The fourth proportional to 45,808.20, 68,682.48 and 19,166.88 is: 28,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,808.20 : 68,682.48 = 19,166.88 : x
  2. Step 2: Convert to fraction form
    45,808.20/68,682.48 = 19,166.88/x
  3. Step 3: Cross multiply
    45,808.20x = 68,682.48 × 19,166.88
  4. Step 4: Simplify right side
    45,808.20x = 1,316,428,852.26
  5. Step 5: Solve for x
    x = 1,316,428,852.26/45,808.20
  6. Step 6: Final answer
    x = 28,737.84

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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.