Home / 47,631.49-65,712.93-30,633.43

Finding the Fourth Proportional to 47,631.49, 65,712.93 and 30,633.43

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Solution

The fourth proportional to 47,631.49, 65,712.93 and 30,633.43 is: 42,262.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,631.49 : 65,712.93 = 30,633.43 : x
  2. Step 2: Convert to fraction form
    47,631.49/65,712.93 = 30,633.43/x
  3. Step 3: Cross multiply
    47,631.49x = 65,712.93 × 30,633.43
  4. Step 4: Simplify right side
    47,631.49x = 2,013,012,441.25
  5. Step 5: Solve for x
    x = 2,013,012,441.25/47,631.49
  6. Step 6: Final answer
    x = 42,262.22

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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.