Home / 45,062.06-67,551.27-21,380.72

Finding the Fourth Proportional to 45,062.06, 67,551.27 and 21,380.72

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Solution

The fourth proportional to 45,062.06, 67,551.27 and 21,380.72 is: 32,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,062.06 : 67,551.27 = 21,380.72 : x
  2. Step 2: Convert to fraction form
    45,062.06/67,551.27 = 21,380.72/x
  3. Step 3: Cross multiply
    45,062.06x = 67,551.27 × 21,380.72
  4. Step 4: Simplify right side
    45,062.06x = 1,444,294,789.51
  5. Step 5: Solve for x
    x = 1,444,294,789.51/45,062.06
  6. Step 6: Final answer
    x = 32,051.24

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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.