Home / 49,934.66-74,913.15-18,770.18

Finding the Fourth Proportional to 49,934.66, 74,913.15 and 18,770.18

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Solution

The fourth proportional to 49,934.66, 74,913.15 and 18,770.18 is: 28,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,934.66 : 74,913.15 = 18,770.18 : x
  2. Step 2: Convert to fraction form
    49,934.66/74,913.15 = 18,770.18/x
  3. Step 3: Cross multiply
    49,934.66x = 74,913.15 × 18,770.18
  4. Step 4: Simplify right side
    49,934.66x = 1,406,133,309.87
  5. Step 5: Solve for x
    x = 1,406,133,309.87/49,934.66
  6. Step 6: Final answer
    x = 28,159.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.