Home / 39,486.84-54,492.56-21,583

Finding the Fourth Proportional to 39,486.84, 54,492.56 and 21,583

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Solution

The fourth proportional to 39,486.84, 54,492.56 and 21,583 is: 29,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,486.84 : 54,492.56 = 21,583 : x
  2. Step 2: Convert to fraction form
    39,486.84/54,492.56 = 21,583/x
  3. Step 3: Cross multiply
    39,486.84x = 54,492.56 × 21,583
  4. Step 4: Simplify right side
    39,486.84x = 1,176,112,922.48
  5. Step 5: Solve for x
    x = 1,176,112,922.48/39,486.84
  6. Step 6: Final answer
    x = 29,784.93

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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.