Home / 37,422.49-51,642.78-20,426.66

Finding the Fourth Proportional to 37,422.49, 51,642.78 and 20,426.66

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Solution

The fourth proportional to 37,422.49, 51,642.78 and 20,426.66 is: 28,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,422.49 : 51,642.78 = 20,426.66 : x
  2. Step 2: Convert to fraction form
    37,422.49/51,642.78 = 20,426.66/x
  3. Step 3: Cross multiply
    37,422.49x = 51,642.78 × 20,426.66
  4. Step 4: Simplify right side
    37,422.49x = 1,054,889,508.51
  5. Step 5: Solve for x
    x = 1,054,889,508.51/37,422.49
  6. Step 6: Final answer
    x = 28,188.65

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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.