Home / 30,216.60-45,324.90-14,635.80

Finding the Fourth Proportional to 30,216.60, 45,324.90 and 14,635.80

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Solution

The fourth proportional to 30,216.60, 45,324.90 and 14,635.80 is: 21,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.60 : 45,324.90 = 14,635.80 : x
  2. Step 2: Convert to fraction form
    30,216.60/45,324.90 = 14,635.80/x
  3. Step 3: Cross multiply
    30,216.60x = 45,324.90 × 14,635.80
  4. Step 4: Simplify right side
    30,216.60x = 663,366,171.42
  5. Step 5: Solve for x
    x = 663,366,171.42/30,216.60
  6. Step 6: Final answer
    x = 21,953.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.