Home / 32,731.24-45,157.96-19,981.04

Finding the Fourth Proportional to 32,731.24, 45,157.96 and 19,981.04

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Solution

The fourth proportional to 32,731.24, 45,157.96 and 19,981.04 is: 27,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,731.24 : 45,157.96 = 19,981.04 : x
  2. Step 2: Convert to fraction form
    32,731.24/45,157.96 = 19,981.04/x
  3. Step 3: Cross multiply
    32,731.24x = 45,157.96 × 19,981.04
  4. Step 4: Simplify right side
    32,731.24x = 902,303,005.08
  5. Step 5: Solve for x
    x = 902,303,005.08/32,731.24
  6. Step 6: Final answer
    x = 27,567.03

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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.