Home / 34,690.85-47,873.36-18,775.30

Finding the Fourth Proportional to 34,690.85, 47,873.36 and 18,775.30

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Solution

The fourth proportional to 34,690.85, 47,873.36 and 18,775.30 is: 25,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,690.85 : 47,873.36 = 18,775.30 : x
  2. Step 2: Convert to fraction form
    34,690.85/47,873.36 = 18,775.30/x
  3. Step 3: Cross multiply
    34,690.85x = 47,873.36 × 18,775.30
  4. Step 4: Simplify right side
    34,690.85x = 898,836,620.58
  5. Step 5: Solve for x
    x = 898,836,620.58/34,690.85
  6. Step 6: Final answer
    x = 25,909.91

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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.