Home / 38,830.08-58,245.18-11,812.66

Finding the Fourth Proportional to 38,830.08, 58,245.18 and 11,812.66

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Solution

The fourth proportional to 38,830.08, 58,245.18 and 11,812.66 is: 17,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,830.08 : 58,245.18 = 11,812.66 : x
  2. Step 2: Convert to fraction form
    38,830.08/58,245.18 = 11,812.66/x
  3. Step 3: Cross multiply
    38,830.08x = 58,245.18 × 11,812.66
  4. Step 4: Simplify right side
    38,830.08x = 688,030,507.98
  5. Step 5: Solve for x
    x = 688,030,507.98/38,830.08
  6. Step 6: Final answer
    x = 17,719.01

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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.