Home / 45,117.27-67,637.03-21,760.11

Finding the Fourth Proportional to 45,117.27, 67,637.03 and 21,760.11

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Solution

The fourth proportional to 45,117.27, 67,637.03 and 21,760.11 is: 32,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117.27 : 67,637.03 = 21,760.11 : x
  2. Step 2: Convert to fraction form
    45,117.27/67,637.03 = 21,760.11/x
  3. Step 3: Cross multiply
    45,117.27x = 67,637.03 × 21,760.11
  4. Step 4: Simplify right side
    45,117.27x = 1,471,789,104.07
  5. Step 5: Solve for x
    x = 1,471,789,104.07/45,117.27
  6. Step 6: Final answer
    x = 32,621.41

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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.