Home / 32,918.21-45,449.39-21,606.93

Finding the Fourth Proportional to 32,918.21, 45,449.39 and 21,606.93

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Solution

The fourth proportional to 32,918.21, 45,449.39 and 21,606.93 is: 29,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,918.21 : 45,449.39 = 21,606.93 : x
  2. Step 2: Convert to fraction form
    32,918.21/45,449.39 = 21,606.93/x
  3. Step 3: Cross multiply
    32,918.21x = 45,449.39 × 21,606.93
  4. Step 4: Simplify right side
    32,918.21x = 982,021,680.24
  5. Step 5: Solve for x
    x = 982,021,680.24/32,918.21
  6. Step 6: Final answer
    x = 29,832.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.