Home / 32,172.51-44,387.40-19,420.83

Finding the Fourth Proportional to 32,172.51, 44,387.40 and 19,420.83

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Solution

The fourth proportional to 32,172.51, 44,387.40 and 19,420.83 is: 26,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,172.51 : 44,387.40 = 19,420.83 : x
  2. Step 2: Convert to fraction form
    32,172.51/44,387.40 = 19,420.83/x
  3. Step 3: Cross multiply
    32,172.51x = 44,387.40 × 19,420.83
  4. Step 4: Simplify right side
    32,172.51x = 862,040,149.54
  5. Step 5: Solve for x
    x = 862,040,149.54/32,172.51
  6. Step 6: Final answer
    x = 26,794.31

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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.