Home / 37,278.04-51,442.68-20,511.04

Finding the Fourth Proportional to 37,278.04, 51,442.68 and 20,511.04

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Solution

The fourth proportional to 37,278.04, 51,442.68 and 20,511.04 is: 28,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,278.04 : 51,442.68 = 20,511.04 : x
  2. Step 2: Convert to fraction form
    37,278.04/51,442.68 = 20,511.04/x
  3. Step 3: Cross multiply
    37,278.04x = 51,442.68 × 20,511.04
  4. Step 4: Simplify right side
    37,278.04x = 1,055,142,867.19
  5. Step 5: Solve for x
    x = 1,055,142,867.19/37,278.04
  6. Step 6: Final answer
    x = 28,304.68

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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.