Home / 37,448.20-51,678.52-20,681.20

Finding the Fourth Proportional to 37,448.20, 51,678.52 and 20,681.20

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Solution

The fourth proportional to 37,448.20, 51,678.52 and 20,681.20 is: 28,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,448.20 : 51,678.52 = 20,681.20 : x
  2. Step 2: Convert to fraction form
    37,448.20/51,678.52 = 20,681.20/x
  3. Step 3: Cross multiply
    37,448.20x = 51,678.52 × 20,681.20
  4. Step 4: Simplify right side
    37,448.20x = 1,068,773,807.82
  5. Step 5: Solve for x
    x = 1,068,773,807.82/37,448.20
  6. Step 6: Final answer
    x = 28,540.06

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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.