Home / 37,676.12-51,993.68-20,681.96

Finding the Fourth Proportional to 37,676.12, 51,993.68 and 20,681.96

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Solution

The fourth proportional to 37,676.12, 51,993.68 and 20,681.96 is: 28,541.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,676.12 : 51,993.68 = 20,681.96 : x
  2. Step 2: Convert to fraction form
    37,676.12/51,993.68 = 20,681.96/x
  3. Step 3: Cross multiply
    37,676.12x = 51,993.68 × 20,681.96
  4. Step 4: Simplify right side
    37,676.12x = 1,075,331,210.01
  5. Step 5: Solve for x
    x = 1,075,331,210.01/37,676.12
  6. Step 6: Final answer
    x = 28,541.45

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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.