Home / 52,806.84-72,855.21-30,129.46

Finding the Fourth Proportional to 52,806.84, 72,855.21 and 30,129.46

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Solution

The fourth proportional to 52,806.84, 72,855.21 and 30,129.46 is: 41,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,806.84 : 72,855.21 = 30,129.46 : x
  2. Step 2: Convert to fraction form
    52,806.84/72,855.21 = 30,129.46/x
  3. Step 3: Cross multiply
    52,806.84x = 72,855.21 × 30,129.46
  4. Step 4: Simplify right side
    52,806.84x = 2,195,088,135.49
  5. Step 5: Solve for x
    x = 2,195,088,135.49/52,806.84
  6. Step 6: Final answer
    x = 41,568.25

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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.