Home / 47,985.80-66,251.22-30,105.32

Finding the Fourth Proportional to 47,985.80, 66,251.22 and 30,105.32

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Solution

The fourth proportional to 47,985.80, 66,251.22 and 30,105.32 is: 41,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.80 : 66,251.22 = 30,105.32 : x
  2. Step 2: Convert to fraction form
    47,985.80/66,251.22 = 30,105.32/x
  3. Step 3: Cross multiply
    47,985.80x = 66,251.22 × 30,105.32
  4. Step 4: Simplify right side
    47,985.80x = 1,994,514,178.49
  5. Step 5: Solve for x
    x = 1,994,514,178.49/47,985.80
  6. Step 6: Final answer
    x = 41,564.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.