Home / 42,103.30-63,141.28-14,015.81

Finding the Fourth Proportional to 42,103.30, 63,141.28 and 14,015.81

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Solution

The fourth proportional to 42,103.30, 63,141.28 and 14,015.81 is: 21,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,103.30 : 63,141.28 = 14,015.81 : x
  2. Step 2: Convert to fraction form
    42,103.30/63,141.28 = 14,015.81/x
  3. Step 3: Cross multiply
    42,103.30x = 63,141.28 × 14,015.81
  4. Step 4: Simplify right side
    42,103.30x = 884,976,183.64
  5. Step 5: Solve for x
    x = 884,976,183.64/42,103.30
  6. Step 6: Final answer
    x = 21,019.16

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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.