Home / 38,840.90-58,261.34-12,191.00

Finding the Fourth Proportional to 38,840.90, 58,261.34 and 12,191.00

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Solution

The fourth proportional to 38,840.90, 58,261.34 and 12,191.00 is: 18,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.90 : 58,261.34 = 12,191.00 : x
  2. Step 2: Convert to fraction form
    38,840.90/58,261.34 = 12,191.00/x
  3. Step 3: Cross multiply
    38,840.90x = 58,261.34 × 12,191.00
  4. Step 4: Simplify right side
    38,840.90x = 710,263,735.11
  5. Step 5: Solve for x
    x = 710,263,735.11/38,840.90
  6. Step 6: Final answer
    x = 18,286.49

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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.