Home / 37,430.71-51,653.54-20,434.30

Finding the Fourth Proportional to 37,430.71, 51,653.54 and 20,434.30

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Solution

The fourth proportional to 37,430.71, 51,653.54 and 20,434.30 is: 28,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,430.71 : 51,653.54 = 20,434.30 : x
  2. Step 2: Convert to fraction form
    37,430.71/51,653.54 = 20,434.30/x
  3. Step 3: Cross multiply
    37,430.71x = 51,653.54 × 20,434.30
  4. Step 4: Simplify right side
    37,430.71x = 1,055,503,854.37
  5. Step 5: Solve for x
    x = 1,055,503,854.37/37,430.71
  6. Step 6: Final answer
    x = 28,198.88

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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.