Home / 56,619.30-78,138.99-33,959.16

Finding the Fourth Proportional to 56,619.30, 78,138.99 and 33,959.16

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Solution

The fourth proportional to 56,619.30, 78,138.99 and 33,959.16 is: 46,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,619.30 : 78,138.99 = 33,959.16 : x
  2. Step 2: Convert to fraction form
    56,619.30/78,138.99 = 33,959.16/x
  3. Step 3: Cross multiply
    56,619.30x = 78,138.99 × 33,959.16
  4. Step 4: Simplify right side
    56,619.30x = 2,653,534,463.65
  5. Step 5: Solve for x
    x = 2,653,534,463.65/56,619.30
  6. Step 6: Final answer
    x = 46,866.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.