Home / 38,020.10-52,466.80-21,023.90

Finding the Fourth Proportional to 38,020.10, 52,466.80 and 21,023.90

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Solution

The fourth proportional to 38,020.10, 52,466.80 and 21,023.90 is: 29,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.10 : 52,466.80 = 21,023.90 : x
  2. Step 2: Convert to fraction form
    38,020.10/52,466.80 = 21,023.90/x
  3. Step 3: Cross multiply
    38,020.10x = 52,466.80 × 21,023.90
  4. Step 4: Simplify right side
    38,020.10x = 1,103,056,756.52
  5. Step 5: Solve for x
    x = 1,103,056,756.52/38,020.10
  6. Step 6: Final answer
    x = 29,012.46

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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.