Home / 42,619.07-63,928.71-11,454.32

Finding the Fourth Proportional to 42,619.07, 63,928.71 and 11,454.32

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Solution

The fourth proportional to 42,619.07, 63,928.71 and 11,454.32 is: 17,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,619.07 : 63,928.71 = 11,454.32 : x
  2. Step 2: Convert to fraction form
    42,619.07/63,928.71 = 11,454.32/x
  3. Step 3: Cross multiply
    42,619.07x = 63,928.71 × 11,454.32
  4. Step 4: Simplify right side
    42,619.07x = 732,260,061.35
  5. Step 5: Solve for x
    x = 732,260,061.35/42,619.07
  6. Step 6: Final answer
    x = 17,181.51

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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.