Home / 37,773.81-52,126.74-20,778.03

Finding the Fourth Proportional to 37,773.81, 52,126.74 and 20,778.03

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Solution

The fourth proportional to 37,773.81, 52,126.74 and 20,778.03 is: 28,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,773.81 : 52,126.74 = 20,778.03 : x
  2. Step 2: Convert to fraction form
    37,773.81/52,126.74 = 20,778.03/x
  3. Step 3: Cross multiply
    37,773.81x = 52,126.74 × 20,778.03
  4. Step 4: Simplify right side
    37,773.81x = 1,083,090,967.52
  5. Step 5: Solve for x
    x = 1,083,090,967.52/37,773.81
  6. Step 6: Final answer
    x = 28,673.07

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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.