Home / 66,021.66-99,031.41-16,101.81

Finding the Fourth Proportional to 66,021.66, 99,031.41 and 16,101.81

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Solution

The fourth proportional to 66,021.66, 99,031.41 and 16,101.81 is: 24,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,021.66 : 99,031.41 = 16,101.81 : x
  2. Step 2: Convert to fraction form
    66,021.66/99,031.41 = 16,101.81/x
  3. Step 3: Cross multiply
    66,021.66x = 99,031.41 × 16,101.81
  4. Step 4: Simplify right side
    66,021.66x = 1,594,584,947.85
  5. Step 5: Solve for x
    x = 1,594,584,947.85/66,021.66
  6. Step 6: Final answer
    x = 24,152.45

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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.