Home / 42,206.22-63,318.69-15,911.19

Finding the Fourth Proportional to 42,206.22, 63,318.69 and 15,911.19

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Solution

The fourth proportional to 42,206.22, 63,318.69 and 15,911.19 is: 23,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,206.22 : 63,318.69 = 15,911.19 : x
  2. Step 2: Convert to fraction form
    42,206.22/63,318.69 = 15,911.19/x
  3. Step 3: Cross multiply
    42,206.22x = 63,318.69 × 15,911.19
  4. Step 4: Simplify right side
    42,206.22x = 1,007,475,707.14
  5. Step 5: Solve for x
    x = 1,007,475,707.14/42,206.22
  6. Step 6: Final answer
    x = 23,870.31

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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.