Home / 37,356.12-51,551.28-20,589.12

Finding the Fourth Proportional to 37,356.12, 51,551.28 and 20,589.12

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Solution

The fourth proportional to 37,356.12, 51,551.28 and 20,589.12 is: 28,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,356.12 : 51,551.28 = 20,589.12 : x
  2. Step 2: Convert to fraction form
    37,356.12/51,551.28 = 20,589.12/x
  3. Step 3: Cross multiply
    37,356.12x = 51,551.28 × 20,589.12
  4. Step 4: Simplify right side
    37,356.12x = 1,061,395,490.07
  5. Step 5: Solve for x
    x = 1,061,395,490.07/37,356.12
  6. Step 6: Final answer
    x = 28,412.89

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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.