Home / 51,603.40-71,219.28-30,384.64

Finding the Fourth Proportional to 51,603.40, 71,219.28 and 30,384.64

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Solution

The fourth proportional to 51,603.40, 71,219.28 and 30,384.64 is: 41,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,603.40 : 71,219.28 = 30,384.64 : x
  2. Step 2: Convert to fraction form
    51,603.40/71,219.28 = 30,384.64/x
  3. Step 3: Cross multiply
    51,603.40x = 71,219.28 × 30,384.64
  4. Step 4: Simplify right side
    51,603.40x = 2,163,972,183.86
  5. Step 5: Solve for x
    x = 2,163,972,183.86/51,603.40
  6. Step 6: Final answer
    x = 41,934.68

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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.