Home / 42,664.18-63,991.95-11,502.58

Finding the Fourth Proportional to 42,664.18, 63,991.95 and 11,502.58

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Solution

The fourth proportional to 42,664.18, 63,991.95 and 11,502.58 is: 17,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.18 : 63,991.95 = 11,502.58 : x
  2. Step 2: Convert to fraction form
    42,664.18/63,991.95 = 11,502.58/x
  3. Step 3: Cross multiply
    42,664.18x = 63,991.95 × 11,502.58
  4. Step 4: Simplify right side
    42,664.18x = 736,072,524.23
  5. Step 5: Solve for x
    x = 736,072,524.23/42,664.18
  6. Step 6: Final answer
    x = 17,252.71

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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.