Home / 38,771.56-58,168.98-12,116.47

Finding the Fourth Proportional to 38,771.56, 58,168.98 and 12,116.47

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Solution

The fourth proportional to 38,771.56, 58,168.98 and 12,116.47 is: 18,178.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.56 : 58,168.98 = 12,116.47 : x
  2. Step 2: Convert to fraction form
    38,771.56/58,168.98 = 12,116.47/x
  3. Step 3: Cross multiply
    38,771.56x = 58,168.98 × 12,116.47
  4. Step 4: Simplify right side
    38,771.56x = 704,802,701.10
  5. Step 5: Solve for x
    x = 704,802,701.10/38,771.56
  6. Step 6: Final answer
    x = 18,178.34

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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.