Home / 39,832.59-54,968.95-21,927.50

Finding the Fourth Proportional to 39,832.59, 54,968.95 and 21,927.50

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Solution

The fourth proportional to 39,832.59, 54,968.95 and 21,927.50 is: 30,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.59 : 54,968.95 = 21,927.50 : x
  2. Step 2: Convert to fraction form
    39,832.59/54,968.95 = 21,927.50/x
  3. Step 3: Cross multiply
    39,832.59x = 54,968.95 × 21,927.50
  4. Step 4: Simplify right side
    39,832.59x = 1,205,331,651.13
  5. Step 5: Solve for x
    x = 1,205,331,651.13/39,832.59
  6. Step 6: Final answer
    x = 30,259.94

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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.