Home / 37,448.72-51,677.88-20,681.36

Finding the Fourth Proportional to 37,448.72, 51,677.88 and 20,681.36

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Solution

The fourth proportional to 37,448.72, 51,677.88 and 20,681.36 is: 28,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,448.72 : 51,677.88 = 20,681.36 : x
  2. Step 2: Convert to fraction form
    37,448.72/51,677.88 = 20,681.36/x
  3. Step 3: Cross multiply
    37,448.72x = 51,677.88 × 20,681.36
  4. Step 4: Simplify right side
    37,448.72x = 1,068,768,840.32
  5. Step 5: Solve for x
    x = 1,068,768,840.32/37,448.72
  6. Step 6: Final answer
    x = 28,539.53

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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.