Home / 37,775.13-52,130.82-20,778.49

Finding the Fourth Proportional to 37,775.13, 52,130.82 and 20,778.49

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Solution

The fourth proportional to 37,775.13, 52,130.82 and 20,778.49 is: 28,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,775.13 : 52,130.82 = 20,778.49 : x
  2. Step 2: Convert to fraction form
    37,775.13/52,130.82 = 20,778.49/x
  3. Step 3: Cross multiply
    37,775.13x = 52,130.82 × 20,778.49
  4. Step 4: Simplify right side
    37,775.13x = 1,083,199,722.06
  5. Step 5: Solve for x
    x = 1,083,199,722.06/37,775.13
  6. Step 6: Final answer
    x = 28,674.94

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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.