Home / 53,855.49-74,318.18-30,868.83

Finding the Fourth Proportional to 53,855.49, 74,318.18 and 30,868.83

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Solution

The fourth proportional to 53,855.49, 74,318.18 and 30,868.83 is: 42,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,855.49 : 74,318.18 = 30,868.83 : x
  2. Step 2: Convert to fraction form
    53,855.49/74,318.18 = 30,868.83/x
  3. Step 3: Cross multiply
    53,855.49x = 74,318.18 × 30,868.83
  4. Step 4: Simplify right side
    53,855.49x = 2,294,115,109.99
  5. Step 5: Solve for x
    x = 2,294,115,109.99/53,855.49
  6. Step 6: Final answer
    x = 42,597.61

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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.