Home / 37,839.81-52,218.95-21,933.48

Finding the Fourth Proportional to 37,839.81, 52,218.95 and 21,933.48

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Solution

The fourth proportional to 37,839.81, 52,218.95 and 21,933.48 is: 30,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,839.81 : 52,218.95 = 21,933.48 : x
  2. Step 2: Convert to fraction form
    37,839.81/52,218.95 = 21,933.48/x
  3. Step 3: Cross multiply
    37,839.81x = 52,218.95 × 21,933.48
  4. Step 4: Simplify right side
    37,839.81x = 1,145,343,295.45
  5. Step 5: Solve for x
    x = 1,145,343,295.45/37,839.81
  6. Step 6: Final answer
    x = 30,268.21

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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.