Home / 42,246.07-63,361.03-12,663.91

Finding the Fourth Proportional to 42,246.07, 63,361.03 and 12,663.91

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Solution

The fourth proportional to 42,246.07, 63,361.03 and 12,663.91 is: 18,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246.07 : 63,361.03 = 12,663.91 : x
  2. Step 2: Convert to fraction form
    42,246.07/63,361.03 = 12,663.91/x
  3. Step 3: Cross multiply
    42,246.07x = 63,361.03 × 12,663.91
  4. Step 4: Simplify right side
    42,246.07x = 802,398,381.43
  5. Step 5: Solve for x
    x = 802,398,381.43/42,246.07
  6. Step 6: Final answer
    x = 18,993.44

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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.