Home / 40,299.84-55,588.68-27,702.72

Finding the Fourth Proportional to 40,299.84, 55,588.68 and 27,702.72

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Solution

The fourth proportional to 40,299.84, 55,588.68 and 27,702.72 is: 38,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.84 : 55,588.68 = 27,702.72 : x
  2. Step 2: Convert to fraction form
    40,299.84/55,588.68 = 27,702.72/x
  3. Step 3: Cross multiply
    40,299.84x = 55,588.68 × 27,702.72
  4. Step 4: Simplify right side
    40,299.84x = 1,539,957,637.21
  5. Step 5: Solve for x
    x = 1,539,957,637.21/40,299.84
  6. Step 6: Final answer
    x = 38,212.50

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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.