Home / 37,479.12-51,721.86-20,484.08

Finding the Fourth Proportional to 37,479.12, 51,721.86 and 20,484.08

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Solution

The fourth proportional to 37,479.12, 51,721.86 and 20,484.08 is: 28,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,479.12 : 51,721.86 = 20,484.08 : x
  2. Step 2: Convert to fraction form
    37,479.12/51,721.86 = 20,484.08/x
  3. Step 3: Cross multiply
    37,479.12x = 51,721.86 × 20,484.08
  4. Step 4: Simplify right side
    37,479.12x = 1,059,474,717.99
  5. Step 5: Solve for x
    x = 1,059,474,717.99/37,479.12
  6. Step 6: Final answer
    x = 28,268.40

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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.