Home / 37,681.49-52,001.13-20,687.33

Finding the Fourth Proportional to 37,681.49, 52,001.13 and 20,687.33

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Solution

The fourth proportional to 37,681.49, 52,001.13 and 20,687.33 is: 28,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,681.49 : 52,001.13 = 20,687.33 : x
  2. Step 2: Convert to fraction form
    37,681.49/52,001.13 = 20,687.33/x
  3. Step 3: Cross multiply
    37,681.49x = 52,001.13 × 20,687.33
  4. Step 4: Simplify right side
    37,681.49x = 1,075,764,276.68
  5. Step 5: Solve for x
    x = 1,075,764,276.68/37,681.49
  6. Step 6: Final answer
    x = 28,548.88

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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.