Home / 42,184.46-63,277.83-18,479.81

Finding the Fourth Proportional to 42,184.46, 63,277.83 and 18,479.81

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Solution

The fourth proportional to 42,184.46, 63,277.83 and 18,479.81 is: 27,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,184.46 : 63,277.83 = 18,479.81 : x
  2. Step 2: Convert to fraction form
    42,184.46/63,277.83 = 18,479.81/x
  3. Step 3: Cross multiply
    42,184.46x = 63,277.83 × 18,479.81
  4. Step 4: Simplify right side
    42,184.46x = 1,169,362,433.81
  5. Step 5: Solve for x
    x = 1,169,362,433.81/42,184.46
  6. Step 6: Final answer
    x = 27,720.22

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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.