Home / 38,830.58-58,245.93-11,813.16

Finding the Fourth Proportional to 38,830.58, 58,245.93 and 11,813.16

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Solution

The fourth proportional to 38,830.58, 58,245.93 and 11,813.16 is: 17,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,830.58 : 58,245.93 = 11,813.16 : x
  2. Step 2: Convert to fraction form
    38,830.58/58,245.93 = 11,813.16/x
  3. Step 3: Cross multiply
    38,830.58x = 58,245.93 × 11,813.16
  4. Step 4: Simplify right side
    38,830.58x = 688,068,490.44
  5. Step 5: Solve for x
    x = 688,068,490.44/38,830.58
  6. Step 6: Final answer
    x = 17,719.76

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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.