Home / 37,776.92-52,133.90-21,858.28

Finding the Fourth Proportional to 37,776.92, 52,133.90 and 21,858.28

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Solution

The fourth proportional to 37,776.92, 52,133.90 and 21,858.28 is: 30,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,776.92 : 52,133.90 = 21,858.28 : x
  2. Step 2: Convert to fraction form
    37,776.92/52,133.90 = 21,858.28/x
  3. Step 3: Cross multiply
    37,776.92x = 52,133.90 × 21,858.28
  4. Step 4: Simplify right side
    37,776.92x = 1,139,557,144.07
  5. Step 5: Solve for x
    x = 1,139,557,144.07/37,776.92
  6. Step 6: Final answer
    x = 30,165.44

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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.