Home / 37,258.56-51,416.88-20,491.56

Finding the Fourth Proportional to 37,258.56, 51,416.88 and 20,491.56

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Solution

The fourth proportional to 37,258.56, 51,416.88 and 20,491.56 is: 28,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,258.56 : 51,416.88 = 20,491.56 : x
  2. Step 2: Convert to fraction form
    37,258.56/51,416.88 = 20,491.56/x
  3. Step 3: Cross multiply
    37,258.56x = 51,416.88 × 20,491.56
  4. Step 4: Simplify right side
    37,258.56x = 1,053,612,081.53
  5. Step 5: Solve for x
    x = 1,053,612,081.53/37,258.56
  6. Step 6: Final answer
    x = 28,278.39

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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.