Home / 37,258.83-51,417.12-20,491.83

Finding the Fourth Proportional to 37,258.83, 51,417.12 and 20,491.83

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Solution

The fourth proportional to 37,258.83, 51,417.12 and 20,491.83 is: 28,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,258.83 : 51,417.12 = 20,491.83 : x
  2. Step 2: Convert to fraction form
    37,258.83/51,417.12 = 20,491.83/x
  3. Step 3: Cross multiply
    37,258.83x = 51,417.12 × 20,491.83
  4. Step 4: Simplify right side
    37,258.83x = 1,053,630,882.13
  5. Step 5: Solve for x
    x = 1,053,630,882.13/37,258.83
  6. Step 6: Final answer
    x = 28,278.69

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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.