Home / 42,946.14-64,409.85-21,863.82

Finding the Fourth Proportional to 42,946.14, 64,409.85 and 21,863.82

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Solution

The fourth proportional to 42,946.14, 64,409.85 and 21,863.82 is: 32,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,946.14 : 64,409.85 = 21,863.82 : x
  2. Step 2: Convert to fraction form
    42,946.14/64,409.85 = 21,863.82/x
  3. Step 3: Cross multiply
    42,946.14x = 64,409.85 × 21,863.82
  4. Step 4: Simplify right side
    42,946.14x = 1,408,245,366.63
  5. Step 5: Solve for x
    x = 1,408,245,366.63/42,946.14
  6. Step 6: Final answer
    x = 32,790.96

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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.