Home / 42,635.63-63,953.40-11,470.88

Finding the Fourth Proportional to 42,635.63, 63,953.40 and 11,470.88

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Solution

The fourth proportional to 42,635.63, 63,953.40 and 11,470.88 is: 17,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,635.63 : 63,953.40 = 11,470.88 : x
  2. Step 2: Convert to fraction form
    42,635.63/63,953.40 = 11,470.88/x
  3. Step 3: Cross multiply
    42,635.63x = 63,953.40 × 11,470.88
  4. Step 4: Simplify right side
    42,635.63x = 733,601,776.99
  5. Step 5: Solve for x
    x = 733,601,776.99/42,635.63
  6. Step 6: Final answer
    x = 17,206.31

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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.