Home / 39,827.95-54,962.58-21,922.88

Finding the Fourth Proportional to 39,827.95, 54,962.58 and 21,922.88

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Solution

The fourth proportional to 39,827.95, 54,962.58 and 21,922.88 is: 30,253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.95 : 54,962.58 = 21,922.88 : x
  2. Step 2: Convert to fraction form
    39,827.95/54,962.58 = 21,922.88/x
  3. Step 3: Cross multiply
    39,827.95x = 54,962.58 × 21,922.88
  4. Step 4: Simplify right side
    39,827.95x = 1,204,937,822.84
  5. Step 5: Solve for x
    x = 1,204,937,822.84/39,827.95
  6. Step 6: Final answer
    x = 30,253.57

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1.5x scale

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.