Home / 37,747.94-52,090.89-20,980.58

Finding the Fourth Proportional to 37,747.94, 52,090.89 and 20,980.58

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Solution

The fourth proportional to 37,747.94, 52,090.89 and 20,980.58 is: 28,952.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,747.94 : 52,090.89 = 20,980.58 : x
  2. Step 2: Convert to fraction form
    37,747.94/52,090.89 = 20,980.58/x
  3. Step 3: Cross multiply
    37,747.94x = 52,090.89 × 20,980.58
  4. Step 4: Simplify right side
    37,747.94x = 1,092,897,084.92
  5. Step 5: Solve for x
    x = 1,092,897,084.92/37,747.94
  6. Step 6: Final answer
    x = 28,952.50

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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.