Home / 37,258.20-51,416.10-20,491.20

Finding the Fourth Proportional to 37,258.20, 51,416.10 and 20,491.20

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Solution

The fourth proportional to 37,258.20, 51,416.10 and 20,491.20 is: 28,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,258.20 : 51,416.10 = 20,491.20 : x
  2. Step 2: Convert to fraction form
    37,258.20/51,416.10 = 20,491.20/x
  3. Step 3: Cross multiply
    37,258.20x = 51,416.10 × 20,491.20
  4. Step 4: Simplify right side
    37,258.20x = 1,053,577,588.32
  5. Step 5: Solve for x
    x = 1,053,577,588.32/37,258.20
  6. Step 6: Final answer
    x = 28,277.74

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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.