Home / 32,782.45-45,239.71-18,442.29

Finding the Fourth Proportional to 32,782.45, 45,239.71 and 18,442.29

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Solution

The fourth proportional to 32,782.45, 45,239.71 and 18,442.29 is: 25,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,782.45 : 45,239.71 = 18,442.29 : x
  2. Step 2: Convert to fraction form
    32,782.45/45,239.71 = 18,442.29/x
  3. Step 3: Cross multiply
    32,782.45x = 45,239.71 × 18,442.29
  4. Step 4: Simplify right side
    32,782.45x = 834,323,851.34
  5. Step 5: Solve for x
    x = 834,323,851.34/32,782.45
  6. Step 6: Final answer
    x = 25,450.32

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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.