Home / 37,422.64-51,643.29-20,655.64

Finding the Fourth Proportional to 37,422.64, 51,643.29 and 20,655.64

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Solution

The fourth proportional to 37,422.64, 51,643.29 and 20,655.64 is: 28,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.64 : 51,643.29 = 20,655.64 : x
  2. Step 2: Convert to fraction form
    37,422.64/51,643.29 = 20,655.64/x
  3. Step 3: Cross multiply
    37,422.64x = 51,643.29 × 20,655.64
  4. Step 4: Simplify right side
    37,422.64x = 1,066,725,206.66
  5. Step 5: Solve for x
    x = 1,066,725,206.66/37,422.64
  6. Step 6: Final answer
    x = 28,504.81

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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.