Home / 34,874.60-48,127.14-20,535.06

Finding the Fourth Proportional to 34,874.60, 48,127.14 and 20,535.06

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Solution

The fourth proportional to 34,874.60, 48,127.14 and 20,535.06 is: 28,338.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874.60 : 48,127.14 = 20,535.06 : x
  2. Step 2: Convert to fraction form
    34,874.60/48,127.14 = 20,535.06/x
  3. Step 3: Cross multiply
    34,874.60x = 48,127.14 × 20,535.06
  4. Step 4: Simplify right side
    34,874.60x = 988,293,466.89
  5. Step 5: Solve for x
    x = 988,293,466.89/34,874.60
  6. Step 6: Final answer
    x = 28,338.49

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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.