Home / 55,539.02-76,643.46-30,388.52

Finding the Fourth Proportional to 55,539.02, 76,643.46 and 30,388.52

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Solution

The fourth proportional to 55,539.02, 76,643.46 and 30,388.52 is: 41,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.02 : 76,643.46 = 30,388.52 : x
  2. Step 2: Convert to fraction form
    55,539.02/76,643.46 = 30,388.52/x
  3. Step 3: Cross multiply
    55,539.02x = 76,643.46 × 30,388.52
  4. Step 4: Simplify right side
    55,539.02x = 2,329,081,317.08
  5. Step 5: Solve for x
    x = 2,329,081,317.08/55,539.02
  6. Step 6: Final answer
    x = 41,935.95

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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.