Home / 37,637.80-51,941.26-21,723.12

Finding the Fourth Proportional to 37,637.80, 51,941.26 and 21,723.12

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Solution

The fourth proportional to 37,637.80, 51,941.26 and 21,723.12 is: 29,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,637.80 : 51,941.26 = 21,723.12 : x
  2. Step 2: Convert to fraction form
    37,637.80/51,941.26 = 21,723.12/x
  3. Step 3: Cross multiply
    37,637.80x = 51,941.26 × 21,723.12
  4. Step 4: Simplify right side
    37,637.80x = 1,128,326,223.93
  5. Step 5: Solve for x
    x = 1,128,326,223.93/37,637.80
  6. Step 6: Final answer
    x = 29,978.54

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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.